{"title":"NTE \u0026 ECG Cross-Reference Semiconductors","description":"\u003cp\u003eNTE and ECG cross-reference replacement semiconductors — aftermarket house-numbered devices used to replace hard-to-find original parts in legacy electronics. ECG-numbered devices are long discontinued, and NTE Electronics ceased operations in 2024, so remaining stock of both lines is new old stock and surplus. Cross-reference information does not guarantee suitability for every circuit: always confirm the original device's ratings, package and pinout before substituting. Fast shipping from American Industrial Parts Group.\u003c\/p\u003e","products":[{"product_id":"asi-2n3055-npn-silicon-power-transistor-to-3-15a-60v-nos-vintage","title":"ASI 2N3055 NPN Silicon Power Transistor TO-3 15A 60V NOS Vintage","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Advanced Semiconductor, Inc.\u003cbr\u003eModel: 2N3055\u003cbr\u003eMPN: 2N3055\u003cbr\u003eType: NPN Bipolar Junction Transistor\u003cbr\u003eTransistor Type: NPN Silicon\u003cbr\u003eTransistor Category: Power Transistor\u003cbr\u003eFunction: General-Purpose Amplifier and Switch\u003cbr\u003eCollector-Emitter Voltage: 60V\u003cbr\u003eCollector-Base Voltage: 100V\u003cbr\u003eContinuous Collector Current: 15A\u003cbr\u003eMaximum Base Current: 7A\u003cbr\u003eMaximum Power Dissipation: 115W\u003cbr\u003eDC Current Gain: 20–70 at 4A\u003cbr\u003ePackage Type: TO-3\u003cbr\u003eMounting Style: Chassis \/ Heatsink Mount\u003cbr\u003eNumber of Terminals: 2 Leads plus Collector Case\u003cbr\u003eTerminal Identification: Emitter and Base Marked\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eSKU: ASI-2N3055-N\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eAdvanced Semiconductor, Inc. 2N3055 NPN silicon power transistor designed for general-purpose amplifier and switching applications. The rugged TO-3 metal package is intended for chassis or heatsink mounting in power supplies, voltage regulators, audio amplifiers, switching circuits, motor-control circuits, and legacy electronic equipment.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eAdvanced Semiconductor, Inc.\u003cbr\u003eExact Part Number: 2N3055\u003cbr\u003eNPN Silicon Power Transistor\u003cbr\u003eGeneral-Purpose Amplifier and Switch\u003cbr\u003e60V Collector-Emitter Voltage\u003cbr\u003e100V Collector-Base Voltage\u003cbr\u003e15A Continuous Collector Current\u003cbr\u003e115W Maximum Power Dissipation\u003cbr\u003eTO-3 Metal Package\u003cbr\u003eEmitter and Base Terminals Marked on Case\u003cbr\u003eCollector Electrically Connected to Metal Case\u003cbr\u003eChassis \/ Heatsink Mounting\u003cbr\u003eVintage Electronic Component\u003cbr\u003e\u003cbr\u003eThis transistor is New Old Stock. It has not been installed but may show minor cosmetic evidence of long-term storage, age, oxidation, or handling. Original retail packaging is not included. Please review all photographs carefully for the exact markings, terminal condition, and component included.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is New Old Stock and has been stored for an extended period. It may show minor cosmetic wear, oxidation, discoloration, scratches, or other evidence of storage and handling. No claim is made regarding compatibility with any particular circuit or equipment. Buyers should verify the exact part number, electrical ratings, terminal configuration, heatsink requirements, and application specifications before installation. Ships fast with tracking. Thirty-day returns are accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Advanced Semiconductor, Inc. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from New Old Stock inventory and are not covered by original manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe 2N3055 is a JEDEC-registered NPN silicon power transistor in a TO-3 (TO-204AA) metal package, second-sourced by many manufacturers. Registered ratings are 60V collector-emitter, 100V collector-base, 15A continuous collector current, 115W dissipation and a DC current gain of 20 to 70 at 4A. Its complementary PNP device is the MJ2955, and the two are commonly paired in push-pull output stages. The NTE and ECG aftermarket cross-reference house number for the 2N3055 is NTE130 \/ ECG130. Note that some variants such as the 2N3055H and 2N3055HV carry different voltage ratings — confirm the specific manufacturer's datasheet before substituting. The collector is electrically connected to the case, so the package must be insulated from a grounded heatsink where the circuit requires it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the 2N3055? A: An NPN silicon power transistor in a TO-3 metal package, rated 60V with 15A continuous collector current and 115W dissipation.\u003cbr\u003eQ: What is the complementary PNP transistor? A: The MJ2955.\u003cbr\u003eQ: What is the NTE\/ECG cross-reference number? A: NTE130 (ECG130).\u003cbr\u003e\u003cbr\u003eASI 2N3055 Advanced Semiconductor 2N3055 NPN transistor silicon power transistor bipolar junction transistor BJT TO-3 transistor TO3 metal can transistor 15A transistor 60V transistor 115W transistor general purpose amplifier switching transistor power supply transistor voltage regulator transistor audio amplifier transistor motor control transistor heatsink mount transistor chassis mount semiconductor vintage electronics vintage transistor electronic repair component legacy electronics replacement transistor NOS transistor New Old Stock industrial electronics MRO electronic component\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Advanced Semiconductor","offers":[{"title":"Default Title","offer_id":49623591780507,"sku":"ASI-2N3055-N","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/asi-2n3055-npn-power-transistor-to-3-1-american-industrial-parts-group.png?v=1790177718"},{"product_id":"ecg-ecg199-npn-silicon-low-noise-high-gain-transistor-to-92-nos-vintage","title":"ECG199 NTE199 NPN Low Noise High Gain Transistor TO-92 50V NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: ECG\u003cbr\u003eModel: ECG199\u003cbr\u003eMPN: ECG199\u003cbr\u003eAlternate Part Number: ECG-199\u003cbr\u003eCross-Reference Number: NTE199\u003cbr\u003eType: NPN Bipolar Junction Transistor\u003cbr\u003eTransistor Polarity: NPN\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eApplication: Low-Noise, High-Gain Amplifier\u003cbr\u003eCollector-Emitter Voltage: 50V\u003cbr\u003eCollector-Base Voltage: 70V\u003cbr\u003eEmitter-Base Voltage: 5V\u003cbr\u003eMaximum Collector Current: 100mA\u003cbr\u003eMaximum Power Dissipation: 360mW\u003cbr\u003eDC Current Gain: 400–800\u003cbr\u003eMaximum Noise Figure: 3dB\u003cbr\u003eNumber of Pins: 3\u003cbr\u003ePin Configuration: Emitter-Collector-Base\u003cbr\u003ePackage: TO-92\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eProduct Status: Discontinued \/ Obsolete\u003cbr\u003eQuantity: 1\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eCustom Label\/SKU: ECG-ECG199-N\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eECG ECG199 silicon NPN bipolar transistor designed for low-noise preamplifier and small-signal industrial amplifier applications. This discontinued three-lead transistor features high current gain, low collector saturation voltage, and low-noise performance in a compact TO-92 through-hole package.\u003cbr\u003e\u003cbr\u003eThe ECG199 cross-references to the NTE199 replacement transistor. Compatibility should be confirmed by comparing the electrical ratings, lead arrangement, circuit requirements, and original equipment documentation before installation.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eECG ECG199\u003cbr\u003eSilicon NPN Transistor\u003cbr\u003eLow-Noise, High-Gain Amplifier\u003cbr\u003e50V Collector-Emitter Rating\u003cbr\u003e70V Collector-Base Rating\u003cbr\u003e5V Emitter-Base Rating\u003cbr\u003e100mA Maximum Collector Current\u003cbr\u003e360mW Maximum Power Dissipation\u003cbr\u003e400–800 DC Current Gain\u003cbr\u003e3dB Maximum Noise Figure\u003cbr\u003eEmitter-Collector-Base Lead Arrangement\u003cbr\u003eThree-Lead TO-92 Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eNTE199 Cross Reference\u003cbr\u003eDiscontinued Vintage Semiconductor\u003cbr\u003eQuantity of One\u003cbr\u003e\u003cbr\u003eThis component is New Old Stock from long-term inventory. It has not been installed or placed into service. No functional testing has been performed. Cosmetic storage wear, surface marks, oxidation, discoloration, or slight lead irregularities may be present from age and handling. Please review all photographs for the exact condition and markings of the component being offered.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is New Old Stock from long-term inventory and has not been functionally tested. Due to the age of this discontinued electronic component, compatibility and final testing are the buyer’s responsibility. Cross-reference information does not guarantee suitability for every circuit. Verify voltage, current, gain, power dissipation, package, pin configuration, and application requirements before purchasing or installing. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of ECG. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eECG and NTE are aftermarket cross-reference replacement house numbers, and the ECG199 corresponds directly to the NTE199. NTE's published datasheet specifies the NTE199 as a silicon NPN transistor in a TO-92 package designed for low-noise preamplifier and small-signal industrial amplifier applications, rated 50V collector-emitter, 70V collector-base, 5V emitter-base and 100mA collector current, with low collector saturation voltage and tight beta control — matching the ratings of this device. ECG-numbered devices are long discontinued and NTE Electronics ceased operations in 2024, so remaining stock of both lines is new old stock. Confirm the original device's ratings and the emitter-collector-base lead arrangement before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the ECG199? A: A silicon NPN low-noise, high-gain transistor in a TO-92 package, rated 50V collector-emitter and 70V collector-base with 100mA maximum collector current.\u003cbr\u003eQ: What is the NTE equivalent? A: The NTE199 — NTE's published ratings match this device.\u003cbr\u003eQ: Where is this transistor typically used? A: Low-noise preamplifier and small-signal amplifier stages in audio, radio and instrumentation service work.\u003cbr\u003e\u003cbr\u003eECG ECG199 ECG-199 NTE199 NPN Transistor Silicon Transistor Low Noise Transistor High Gain Transistor Preamp Transistor Preamplifier Transistor Small Signal Transistor Industrial Amplifier Transistor Audio Amplifier Transistor TO-92 Transistor Through Hole Transistor 50V Transistor 100mA Transistor Vintage Semiconductor Obsolete Transistor Discontinued Electronic Component NOS Transistor Vintage Electronics Radio Repair Audio Repair Stereo Repair Industrial Electronics Replacement Transistor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"ECG","offers":[{"title":"Default Title","offer_id":49623593812123,"sku":"ECG-ECG199-N","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/ecg199-nte199-npn-low-noise-transistor-1-american-industrial-parts-group.png?v=1790177717"},{"product_id":"lot-of-10-asi-2n3055-npn-silicon-power-transistors-to-3-15a-60v-nos","title":"Lot of 10 ASI 2N3055 NPN Silicon Power Transistors TO-3 15A 60V NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Advanced Semiconductor, Inc.\u003cbr\u003eModel: 2N3055\u003cbr\u003eMPN: 2N3055\u003cbr\u003eType: NPN Bipolar Junction Transistor\u003cbr\u003eTransistor Type: NPN Silicon\u003cbr\u003eTransistor Category: Power Transistor\u003cbr\u003eFunction: General-Purpose Amplifier and Switch\u003cbr\u003eCollector-Emitter Voltage: 60V\u003cbr\u003eCollector-Base Voltage: 100V\u003cbr\u003eContinuous Collector Current: 15A\u003cbr\u003eMaximum Base Current: 7A\u003cbr\u003eMaximum Power Dissipation: 115W\u003cbr\u003eDC Current Gain: 20–70 at 4A\u003cbr\u003ePackage Type: TO-3\u003cbr\u003eMounting Style: Chassis \/ Heatsink Mount\u003cbr\u003eNumber of Terminals: 2 Leads plus Collector Case\u003cbr\u003eTerminal Identification: Emitter and Base Marked\u003cbr\u003eQuantity: 10\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eSKU: ASI-2N3055-N-2\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 Advanced Semiconductor, Inc. 2N3055 NPN silicon power transistors designed for general-purpose amplifier and switching applications. Their rugged TO-3 metal packages are intended for chassis or heatsink mounting in power supplies, voltage regulators, audio amplifiers, switching circuits, motor-control circuits, and legacy electronic equipment.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Transistors\u003cbr\u003eAdvanced Semiconductor, Inc.\u003cbr\u003eExact Part Number: 2N3055\u003cbr\u003eNPN Silicon Power Transistors\u003cbr\u003eGeneral-Purpose Amplifier and Switching Applications\u003cbr\u003e60V Collector-Emitter Voltage\u003cbr\u003e100V Collector-Base Voltage\u003cbr\u003e15A Continuous Collector Current\u003cbr\u003e115W Maximum Power Dissipation\u003cbr\u003eTO-3 Metal Packages\u003cbr\u003eEmitter and Base Terminals Marked on Cases\u003cbr\u003eCollectors Electrically Connected to Metal Cases\u003cbr\u003eChassis \/ Heatsink Mounting\u003cbr\u003eVintage Electronic Components\u003cbr\u003eThese transistors are New Old Stock. They have not been installed but may show minor cosmetic evidence of long-term storage, age, oxidation, or handling. Original retail packaging is not included. Please review all photographs carefully for the exact markings, terminal condition, and components included.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are New Old Stock and have been stored for an extended period. They may show minor cosmetic wear, oxidation, discoloration, scratches, or other evidence of storage and handling. No claim is made regarding compatibility with any particular circuit or equipment. Buyers should verify the exact part number, electrical ratings, terminal configuration, heatsink requirements, and application specifications before installation. Ships fast with tracking. Thirty-day returns are accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Advanced Semiconductor, Inc. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from New Old Stock inventory and are not covered by original manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe 2N3055 is a JEDEC-registered NPN silicon power transistor in a TO-3 (TO-204AA) metal package, second-sourced by many manufacturers. Registered ratings are 60V collector-emitter, 100V collector-base, 15A continuous collector current, 115W dissipation and a DC current gain of 20 to 70 at 4A. Its complementary PNP device is the MJ2955, and the two are commonly paired in push-pull output stages. The NTE and ECG aftermarket cross-reference house number for the 2N3055 is NTE130 \/ ECG130. Note that some variants such as the 2N3055H and 2N3055HV carry different voltage ratings — confirm the specific manufacturer's datasheet before substituting. The collector is electrically connected to the case, so the package must be insulated from a grounded heatsink where the circuit requires it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is included in this lot? A: Ten Advanced Semiconductor 2N3055 NPN silicon power transistors in TO-3 metal packages, rated 60V with 15A continuous collector current and 115W dissipation.\u003cbr\u003eQ: What is the complementary PNP transistor? A: The MJ2955.\u003cbr\u003eQ: What is the NTE\/ECG cross-reference number? A: NTE130 (ECG130).\u003cbr\u003e\u003cbr\u003eLot of 10 ASI 2N3055 Advanced Semiconductor 2N3055 NPN transistors silicon power transistors bipolar junction transistors BJT TO-3 transistors TO3 metal can transistors 15A transistors 60V transistors 115W transistors general purpose amplifier switching transistors power supply transistors voltage regulator transistors audio amplifier transistors motor control transistors heatsink mount transistors chassis mount semiconductors vintage electronics vintage transistors electronic repair components legacy electronics replacement transistors NOS transistors New Old Stock industrial electronics MRO electronic components bulk transistor lot\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Advanced Semiconductor","offers":[{"title":"Default Title","offer_id":49623595155611,"sku":"ASI-2N3055-N-2","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/asi-2n3055-npn-power-transistor-to-3-lot10-1-american-industrial-parts-group.png?v=1790177717"},{"product_id":"lot-of-10-ecg-ecg199-npn-low-noise-high-gain-transistors-to-92-vintage-nos","title":"Lot of 10 ECG199 NTE199 NPN Low Noise High Gain Transistors TO-92 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: ECG\u003cbr\u003eModel: ECG199\u003cbr\u003eMPN: ECG199\u003cbr\u003eAlternate Part Number: ECG-199\u003cbr\u003eCross-Reference Number: NTE199\u003cbr\u003eType: NPN Bipolar Junction Transistor\u003cbr\u003eTransistor Polarity: NPN\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eApplication: Low-Noise, High-Gain Amplifier\u003cbr\u003eCollector-Emitter Voltage: 50V\u003cbr\u003eCollector-Base Voltage: 70V\u003cbr\u003eEmitter-Base Voltage: 5V\u003cbr\u003eMaximum Collector Current: 100mA\u003cbr\u003eMaximum Power Dissipation: 360mW\u003cbr\u003eDC Current Gain: 400–800\u003cbr\u003eMaximum Noise Figure: 3dB\u003cbr\u003eNumber of Pins: 3\u003cbr\u003ePin Configuration: Emitter-Collector-Base\u003cbr\u003ePackage: TO-92\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eProduct Status: Discontinued \/ Obsolete\u003cbr\u003eNumber of Components: 10\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eCustom Label\/SKU: ECG-ECG199-N-2\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 ECG ECG199 silicon NPN bipolar transistors designed for low-noise preamplifier and small-signal industrial amplifier applications. These discontinued three-lead transistors feature high current gain, low collector saturation voltage, and low-noise performance in compact TO-92 through-hole packages.\u003cbr\u003eThe ECG199 cross-references to the NTE199 replacement transistor. Compatibility should be confirmed by comparing the electrical ratings, lead arrangement, circuit requirements, and original equipment documentation before installation.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Transistors\u003cbr\u003eECG ECG199\u003cbr\u003eSilicon NPN Transistor\u003cbr\u003eLow-Noise, High-Gain Amplifier\u003cbr\u003e50V Collector-Emitter Rating\u003cbr\u003e70V Collector-Base Rating\u003cbr\u003e5V Emitter-Base Rating\u003cbr\u003e100mA Maximum Collector Current\u003cbr\u003e360mW Maximum Power Dissipation\u003cbr\u003e400–800 DC Current Gain\u003cbr\u003e3dB Maximum Noise Figure\u003cbr\u003eEmitter-Collector-Base Lead Arrangement\u003cbr\u003eThree-Lead TO-92 Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eNTE199 Cross Reference\u003cbr\u003e\u003cbr\u003eDiscontinued Vintage Semiconductors\u003cbr\u003eThese components are New Old Stock from long-term inventory. They have not been installed or placed into service. No functional testing has been performed. Cosmetic storage wear, surface marks, oxidation, discoloration, or slight lead irregularities may be present from age and handling. Please review all photographs for the exact condition and markings of the components being offered.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are New Old Stock from long-term inventory and have not been functionally tested. Due to the age of these discontinued electronic components, compatibility and final testing are the buyer’s responsibility. Cross-reference information does not guarantee suitability for every circuit. Verify voltage, current, gain, power dissipation, package, pin configuration, and application requirements before purchasing or installing. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of ECG. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eECG and NTE are aftermarket cross-reference replacement house numbers, and the ECG199 corresponds directly to the NTE199. NTE's published datasheet specifies the NTE199 as a silicon NPN transistor in a TO-92 package designed for low-noise preamplifier and small-signal industrial amplifier applications, rated 50V collector-emitter, 70V collector-base, 5V emitter-base and 100mA collector current, with low collector saturation voltage and tight beta control — matching the ratings of this device. ECG-numbered devices are long discontinued and NTE Electronics ceased operations in 2024, so remaining stock of both lines is new old stock. Confirm the original device's ratings and the emitter-collector-base lead arrangement before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is included in this lot? A: Ten ECG199 silicon NPN low-noise, high-gain transistors in TO-92 packages, rated 50V collector-emitter with 100mA maximum collector current.\u003cbr\u003eQ: What is the NTE equivalent? A: The NTE199 — NTE's published ratings match this device.\u003cbr\u003eQ: Where are these transistors typically used? A: Low-noise preamplifier and small-signal amplifier stages in audio, radio and instrumentation service work.\u003cbr\u003e\u003cbr\u003eECG ECG199 ECG-199 NTE199 Lot of 10 10PCS NPN Transistors Silicon Transistor Low Noise Transistor High Gain Transistor Preamp Transistor Preamplifier Transistor Small Signal Transistor Industrial Amplifier Transistor Audio Amplifier Transistor TO-92 Transistor Through Hole Transistor 50V Transistor 100mA Transistor Vintage Semiconductor Obsolete Transistor Discontinued Electronic Component NOS Transistors Vintage Electronics Radio Repair Audio Repair Stereo Repair Industrial Electronics Replacement Transistor Bulk Semiconductor Lot\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"ECG","offers":[{"title":"Default Title","offer_id":49623595319451,"sku":"ECG-ECG199-N-2","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/ecg199-nte199-npn-low-noise-transistor-lot10-1-american-industrial-parts-group.jpg?v=1790177717"},{"product_id":"nte-electronics-nte240-pnp-silicon-transistor-300v-0-5a-to-202n-nos","title":"NTE Electronics NTE240 PNP Silicon Transistor 300V 0.5A TO-202N NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: NTE Electronics\u003cbr\u003eModel: NTE240\u003cbr\u003eMPN: NTE240\u003cbr\u003eType: PNP Bipolar Junction Transistor\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eMaximum Collector-Emitter Voltage: 300V\u003cbr\u003eMaximum Collector-Base Voltage: 300V\u003cbr\u003eMaximum Emitter-Base Voltage: 5V\u003cbr\u003eMaximum Collector Current: 500mA\u003cbr\u003ePower Dissipation: 1W at TA 25°C \/ 10W at TC 25°C\u003cbr\u003eTransition Frequency: 60MHz Minimum\u003cbr\u003eDC Current Gain: 80 Typical\u003cbr\u003ePackage Type: TO-202N\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003ePin Configuration: Emitter-Base-Collector\u003cbr\u003eComplementary Transistor: NTE191\u003cbr\u003eReplacement Numbers: ECG240, SK9351\u003cbr\u003eNumber of Pins: 3\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eCustom Label\/SKU: NTE-NTE240-N\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eNTE Electronics NTE240 PNP silicon high-voltage general-purpose amplifier transistor in a TO-202N through-hole package. This transistor is designed for high-voltage amplifier applications and is the complementary PNP device to the NTE191.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003ePNP silicon bipolar transistor\u003cbr\u003e300V collector-emitter voltage\u003cbr\u003e300V collector-base voltage\u003cbr\u003e5V emitter-base voltage\u003cbr\u003e500mA maximum collector current\u003cbr\u003e1W power dissipation at 25°C ambient\u003cbr\u003e10W power dissipation at 25°C case temperature\u003cbr\u003e60MHz minimum transition frequency\u003cbr\u003eTypical DC current gain of 80\u003cbr\u003eTO-202N three-lead package\u003cbr\u003eEmitter-Base-Collector pin configuration\u003cbr\u003eReplaces ECG240 and SK9351\u003cbr\u003eComplementary to NTE191\u003cbr\u003e\u003cbr\u003eThis component is New Old Stock. Component may display minor cosmetic effects from storage and handling. Please review all photographs for the exact condition, markings, and included item.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is New Old Stock from stored electronic-component inventory. It has not been individually installed or function-tested by American Industrial Parts Group. Minor cosmetic wear, oxidation, or packaging wear may be present from long-term storage and handling. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of NTE Electronics. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eNTE's published datasheet lists the NTE240 (PNP) and NTE191 (NPN) as a silicon complementary pair in a TO-202N package, designed for high-voltage video and luminance output stages in television receivers. Rated characteristics include a 300V minimum collector-emitter breakdown voltage at 1mA and 500mA collector current. NTE part numbers are cross-reference replacement house numbers: the NTE240 corresponds to ECG240 and SK9351. NTE Electronics ceased operations in 2024 and NTE-branded devices are no longer produced, so remaining supply is new old stock and surplus. Always confirm the original device's ratings and pinout before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the NTE240? A: A PNP silicon high-voltage transistor in a TO-202N package, rated 300V with 500mA collector current, designed for video and luminance output stages.\u003cbr\u003eQ: What is the complementary NPN device? A: The NTE191.\u003cbr\u003eQ: What house numbers does the NTE240 replace? A: ECG240 and SK9351 — verify the original part's ratings and pinout before substituting.\u003cbr\u003e\u003cbr\u003eNTE Electronics NTE240 NTE 240 PNP Silicon Transistor High Voltage Transistor 300V Transistor 500mA Transistor 0.5A Transistor TO-202N TO202N Bipolar Junction Transistor BJT General Purpose Amplifier High Voltage Amplifier Video Amplifier Luminance Output Transistor NTE191 Complementary ECG240 Replacement SK9351 Replacement ECG 240 SK 9351 Vintage Electronics Repair Television Repair Electronic Components Through Hole Transistor Discontinued Transistor New Old Stock NOS Semiconductor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"NTE Electronics","offers":[{"title":"Default Title","offer_id":49623598301339,"sku":"NTE-NTE240-N","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/nte240-pnp-high-voltage-transistor-1-american-industrial-parts-group.png?v=1790177682"},{"product_id":"rca-sk9351-pnp-silicon-transistor-300v-0-5a-10w-60mhz-new-old-stock","title":"RCA SK9351 PNP Silicon Transistor 300V 0.5A 10W 60MHz New Old Stock","description":"ITEM SPECIFICS\u003cbr\u003eBrand: RCA\u003cbr\u003eModel: SK9351\u003cbr\u003eMPN: SK9351\u003cbr\u003eType: PNP Silicon Transistor\u003cbr\u003eTransistor Polarity: PNP\u003cbr\u003eNumber of Pins: 3\u003cbr\u003eMaximum Power Dissipation: 10W\u003cbr\u003eMaximum Collector Current: 0.5A\u003cbr\u003eCollector-Base Voltage: 300V\u003cbr\u003eCollector-Emitter Voltage: 300V\u003cbr\u003eEmitter-Base Voltage: 5V\u003cbr\u003eDC Current Gain: 90 Typical\u003cbr\u003eTransition Frequency: 60MHz\u003cbr\u003eLead Configuration: Emitter-Base-Collector\u003cbr\u003eCondition: New old stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eRCA SK9351 PNP silicon transistor intended for electronic repair and replacement applications requiring the exact SK9351 electrical ratings and E-B-C lead configuration.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eRCA SK9351\u003cbr\u003ePNP Silicon Transistor\u003cbr\u003e10W Maximum Power Dissipation\u003cbr\u003e0.5A Maximum Collector Current\u003cbr\u003e300V Collector-Base Voltage\u003cbr\u003e300V Collector-Emitter Voltage\u003cbr\u003e5V Emitter-Base Voltage\u003cbr\u003e90 Typical DC Current Gain\u003cbr\u003e60MHz Transition Frequency\u003cbr\u003eThree-Pin E-B-C Configuration\u003cbr\u003eDiscontinued Component\u003cbr\u003eOriginal Pictured Specification Card Included\u003cbr\u003e\u003cbr\u003eThis item is new old stock and may show minor cosmetic aging or storage wear. Please review all photos for the exact condition and included components.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock. Packaging and the component may show cosmetic wear, discoloration, or aging from long-term storage and handling. Please verify the SK9351 specifications, ratings, and E-B-C lead configuration for your application before installation. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of RCA. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eSK numbers are RCA's aftermarket cross-reference replacement series — house numbers assigned to replacement devices rather than JEDEC-registered type numbers, in the same way ECG and NTE numbers work. NTE's published datasheet for the NTE240 lists SK9351 and ECG240 as the numbers it replaces, which places the SK9351 as the RCA equivalent of that high-voltage PNP device: a silicon PNP transistor rated 300V collector-emitter and collector-base with 500mA collector current, of the type used in video and luminance output stages. The complementary NPN in the NTE range is the NTE191. RCA's SK line and the ECG line are both long discontinued, and NTE Electronics ceased operations in 2024, so remaining stock of all three lines is new old stock. Confirm the original device's ratings and the emitter-base-collector lead arrangement before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the RCA SK9351? A: A PNP silicon transistor rated 300V collector-emitter and collector-base with 500mA collector current and 10W dissipation, in a three-lead E-B-C configuration.\u003cbr\u003eQ: What do SK numbers mean? A: They are RCA's aftermarket cross-reference replacement house numbers, equivalent in purpose to the ECG and NTE series.\u003cbr\u003eQ: What are the ECG and NTE equivalents? A: NTE's datasheet for the NTE240 lists SK9351 and ECG240 among the numbers it replaces.\u003cbr\u003e\u003cbr\u003eRCA SK9351 RCA SK 9351 SK9351 240 PNP Silicon Transistor PNP Transistor High Voltage Transistor 300V Transistor 0.5A Transistor 10W Transistor 60MHz Transistor 3 Pin Transistor EBC Emitter Base Collector Vintage Semiconductor Discontinued Transistor Obsolete Electronic Component NOS Transistor New Old Stock Semiconductor Electronic Repair Replacement Component Radio Repair Television Repair Amplifier Repair Circuit Board Repair Through Hole Semiconductor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"RCA","offers":[{"title":"Default Title","offer_id":49639750566043,"sku":"RCA-SK9351-N","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/rca-sk9351-pnp-transistor-1-american-industrial-parts-group.png?v=1790364328"},{"product_id":"lot-of-10-rca-sk9351-pnp-silicon-transistors-300v-0-5a-10w-60mhz-nos","title":"Lot of 10 RCA SK9351 PNP Silicon Transistors 300V 0.5A 10W 60MHz NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: RCA\u003cbr\u003eModel: SK9351\u003cbr\u003eMPN: SK9351\u003cbr\u003eType: PNP Silicon Transistor\u003cbr\u003eTransistor Polarity: PNP\u003cbr\u003eQuantity: 10\u003cbr\u003eNumber of Pins: 3\u003cbr\u003eMaximum Power Dissipation: 10W\u003cbr\u003eMaximum Collector Current: 0.5A\u003cbr\u003eCollector-Base Voltage: 300V\u003cbr\u003eCollector-Emitter Voltage: 300V\u003cbr\u003eEmitter-Base Voltage: 5V\u003cbr\u003eDC Current Gain: 90 Typical\u003cbr\u003eTransition Frequency: 60MHz\u003cbr\u003eLead Configuration: Emitter-Base-Collector\u003cbr\u003eCondition: New old stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 RCA SK9351 PNP silicon transistors intended for electronic repair and replacement applications requiring the exact SK9351 electrical ratings and E-B-C lead configuration.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 RCA SK9351 Transistors\u003cbr\u003ePNP Silicon Transistor\u003cbr\u003e10W Maximum Power Dissipation\u003cbr\u003e0.5A Maximum Collector Current\u003cbr\u003e300V Collector-Base Voltage\u003cbr\u003e300V Collector-Emitter Voltage\u003cbr\u003e5V Emitter-Base Voltage\u003cbr\u003e90 Typical DC Current Gain\u003cbr\u003e60MHz Transition Frequency\u003cbr\u003eThree-Pin E-B-C Configuration\u003cbr\u003eDiscontinued Component\u003cbr\u003eThese items are new old stock and may show minor cosmetic aging or storage wear. Please review all photos for the exact condition and included components.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are new old stock. The components may show cosmetic wear, discoloration, or aging from long-term storage and handling. Please verify the SK9351 specifications, ratings, and E-B-C lead configuration for your application before installation. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of RCA. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eSK numbers are RCA's aftermarket cross-reference replacement series — house numbers assigned to replacement devices rather than JEDEC-registered type numbers, in the same way ECG and NTE numbers work. NTE's published datasheet for the NTE240 lists SK9351 and ECG240 as the numbers it replaces, which places the SK9351 as the RCA equivalent of that high-voltage PNP device: a silicon PNP transistor rated 300V collector-emitter and collector-base with 500mA collector current, of the type used in video and luminance output stages. The complementary NPN in the NTE range is the NTE191. RCA's SK line and the ECG line are both long discontinued, and NTE Electronics ceased operations in 2024, so remaining stock of all three lines is new old stock. Confirm the original device's ratings and the emitter-base-collector lead arrangement before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is included in this lot? A: Ten RCA SK9351 PNP silicon transistors rated 300V with 500mA collector current and 10W dissipation.\u003cbr\u003eQ: What do SK numbers mean? A: They are RCA's aftermarket cross-reference replacement house numbers, equivalent in purpose to the ECG and NTE series.\u003cbr\u003eQ: What are the ECG and NTE equivalents? A: NTE's datasheet for the NTE240 lists SK9351 and ECG240 among the numbers it replaces.\u003cbr\u003e\u003cbr\u003eLot of 10 RCA SK9351 RCA SK 9351 SK9351 240 PNP Silicon Transistor PNP Transistors High Voltage Transistor 300V Transistor 0.5A Transistor 10W Transistor 60MHz Transistor 3 Pin Transistor EBC Emitter Base Collector Vintage Semiconductor Discontinued Transistor Obsolete Electronic Components NOS Transistors New Old Stock Semiconductors Electronic Repair Replacement Components Radio Repair Television Repair Amplifier Repair Circuit Board Repair Through Hole Semiconductors Bulk Transistor Lot\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"RCA","offers":[{"title":"Default Title","offer_id":49639752859803,"sku":"RCA-SK9351-N-2","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/rca-sk9351-pnp-transistor-lot10-1-american-industrial-parts-group.png?v=1790364328"},{"product_id":"solitron-2n3055-npn-silicon-power-transistor-60v-15a-115w-to-3-nos","title":"Solitron 2N3055 NPN Silicon Power Transistor 60V 15A 115W TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Solitron\u003cbr\u003eModel: 2N3055\u003cbr\u003eMPN: 2N3055\u003cbr\u003eType: NPN Silicon Power Transistor\u003cbr\u003eTransistor Polarity: NPN\u003cbr\u003eConfiguration: Single\u003cbr\u003eNumber of Elements: 1\u003cbr\u003eMaximum Collector Current: 15A\u003cbr\u003eCollector-Emitter Voltage: 60V\u003cbr\u003eMaximum Power Dissipation: 115W\u003cbr\u003ePackage\/Case: TO-3\u003cbr\u003eMounting Style: Through-Hole \/ Chassis Mount\u003cbr\u003eNumber of Pins: 2\u003cbr\u003eComponent Marking: 8116\u003cbr\u003eCondition: New old stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eSolitron 2N3055 NPN silicon bipolar power transistor in a metal TO-3 package. The 2N3055 is designed for general-purpose power switching and amplifier applications.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eSolitron 2N3055\u003cbr\u003eNPN Silicon Power Transistor\u003cbr\u003e15A Maximum Collector Current\u003cbr\u003e60V Collector-Emitter Voltage\u003cbr\u003e115W Maximum Power Dissipation\u003cbr\u003eSingle-Transistor Configuration\u003cbr\u003eMetal TO-3 Package\u003cbr\u003eTwo-Pin Through-Hole Design\u003cbr\u003eCase Serves as Collector\u003cbr\u003eComponent Marking 8116\u003cbr\u003eThis transistor is new old stock and may show scratches, discoloration, oxidation, or other cosmetic wear from long-term storage and handling. Please review all photos for the exact condition and markings.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock. It may show cosmetic wear, discoloration, oxidation, or aging from long-term storage and handling. Please verify the 2N3055 specifications, package, pin configuration, and electrical requirements for your application before installation. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Solitron. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe 2N3055 is a JEDEC-registered NPN silicon power transistor in a TO-3 (TO-204AA) metal package, second-sourced by many manufacturers including Solitron Devices. Registered ratings are 60V collector-emitter, 100V collector-base, 15A continuous collector current, 115W dissipation and a DC current gain of 20 to 70 at 4A. Its complementary PNP device is the MJ2955, and the two are commonly paired in push-pull output stages. The NTE and ECG aftermarket cross-reference house number for the 2N3055 is NTE130 \/ ECG130. Note that variants such as the 2N3055H and 2N3055HV carry different voltage ratings — confirm the specific manufacturer's datasheet before substituting. The collector is electrically connected to the case, so the package must be insulated from a grounded heatsink where the circuit requires it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the 2N3055? A: An NPN silicon power transistor in a TO-3 metal package, rated 60V with 15A continuous collector current and 115W dissipation.\u003cbr\u003eQ: What is the complementary PNP transistor? A: The MJ2955.\u003cbr\u003eQ: What is the NTE\/ECG cross-reference number? A: NTE130 (ECG130).\u003cbr\u003e\u003cbr\u003eSolitron 2N3055 Solitron Devices 2N 3055 NPN Silicon Power Transistor NPN Power Transistor 60V Transistor 15A Transistor 115W Transistor TO-3 Transistor TO3 Metal Can Transistor Bipolar Junction Transistor BJT Power Semiconductor Vintage Transistor New Old Stock NOS Semiconductor Amplifier Transistor Power Supply Transistor Voltage Regulator Transistor General Purpose Switching Transistor Audio Amplifier Repair Electronic Repair Replacement Component Chassis Mount Transistor Through Hole Transistor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Solitron","offers":[{"title":"Default Title","offer_id":49639754858651,"sku":"SLT-2N3055-N","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/solitron-2n3055-npn-power-transistor-to-3-1-american-industrial-parts-group.png?v=1790364328"},{"product_id":"lot-of-10-solitron-2n3055-npn-power-transistors-60v-15a-115w-to-3-nos","title":"Lot of 10 Solitron 2N3055 NPN Power Transistors 60V 15A 115W TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Solitron\u003cbr\u003eModel: 2N3055\u003cbr\u003eMPN: 2N3055\u003cbr\u003eType: NPN Silicon Power Transistor\u003cbr\u003eTransistor Polarity: NPN\u003cbr\u003eConfiguration: Single\u003cbr\u003eNumber of Elements per Transistor: 1\u003cbr\u003eQuantity: 10\u003cbr\u003eMaximum Collector Current: 15A\u003cbr\u003eCollector-Emitter Voltage: 60V\u003cbr\u003eMaximum Power Dissipation: 115W\u003cbr\u003ePackage\/Case: TO-3\u003cbr\u003eMounting Style: Through-Hole \/ Chassis Mount\u003cbr\u003eNumber of Pins: 2\u003cbr\u003eComponent Marking: 8116\u003cbr\u003eCondition: New old stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 Solitron 2N3055 NPN silicon bipolar power transistors in metal TO-3 packages. The 2N3055 is designed for general-purpose power switching and amplifier applications.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Solitron 2N3055 Transistors\u003cbr\u003eNPN Silicon Power Transistors\u003cbr\u003e15A Maximum Collector Current\u003cbr\u003e60V Collector-Emitter Voltage\u003cbr\u003e115W Maximum Power Dissipation\u003cbr\u003eSingle-Transistor Configuration\u003cbr\u003eMetal TO-3 Packages\u003cbr\u003eTwo-Pin Through-Hole Design\u003cbr\u003eCases Serve as Collectors\u003cbr\u003eComponent Marking 8116\u003cbr\u003eThese transistors are new old stock and may show scratches, discoloration, oxidation, or other cosmetic wear from long-term storage and handling. Please review all photos for the exact condition and markings.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are new old stock. They may show cosmetic wear, discoloration, oxidation, or aging from long-term storage and handling. Please verify the 2N3055 specifications, package, pin configuration, and electrical requirements for your application before installation. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Solitron. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe 2N3055 is a JEDEC-registered NPN silicon power transistor in a TO-3 (TO-204AA) metal package, second-sourced by many manufacturers including Solitron Devices. Registered ratings are 60V collector-emitter, 100V collector-base, 15A continuous collector current, 115W dissipation and a DC current gain of 20 to 70 at 4A. Its complementary PNP device is the MJ2955, and the two are commonly paired in push-pull output stages. The NTE and ECG aftermarket cross-reference house number for the 2N3055 is NTE130 \/ ECG130. Note that variants such as the 2N3055H and 2N3055HV carry different voltage ratings — confirm the specific manufacturer's datasheet before substituting. The collector is electrically connected to the case, so the package must be insulated from a grounded heatsink where the circuit requires it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is included in this lot? A: Ten Solitron 2N3055 NPN silicon power transistors in TO-3 metal packages, rated 60V with 15A continuous collector current and 115W dissipation.\u003cbr\u003eQ: What is the complementary PNP transistor? A: The MJ2955.\u003cbr\u003eQ: What is the NTE\/ECG cross-reference number? A: NTE130 (ECG130).\u003cbr\u003e\u003cbr\u003eLot of 10 Solitron 2N3055 Solitron Devices 2N 3055 NPN Silicon Power Transistors NPN Power Transistor Lot 60V Transistors 15A Transistors 115W Transistors TO-3 Transistors TO3 Metal Can Transistors Bipolar Junction Transistors BJT Power Semiconductors Vintage Transistor Lot New Old Stock NOS Semiconductors Amplifier Transistors Power Supply Transistors Voltage Regulator Transistors General Purpose Switching Transistors Audio Amplifier Repair Electronic Repair Replacement Components Chassis Mount Transistors Through Hole Transistors Bulk Semiconductor Lot\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Solitron","offers":[{"title":"Default Title","offer_id":49639756529819,"sku":"SLT-2N3055-N-2","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/solitron-2n3055-npn-power-transistor-to-3-lot10-1-american-industrial-parts-group.png?v=1790364303"},{"product_id":"sgs-lm317t-adjustable-voltage-regulator-1-2-37v-1-5a-to-220-nos","title":"SGS LM317T Adjustable Voltage Regulator 1.2-37V 1.5A TO-220 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: SGS\u003cbr\u003eModel: LM317T\u003cbr\u003eMPN: LM317T\u003cbr\u003eType: Adjustable Positive Voltage Regulator\u003cbr\u003eOutput Voltage Range: 1.2V to 37V\u003cbr\u003eMaximum Output Current: 1.5A\u003cbr\u003ePackage Type: TO-220\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eNumber of Terminals: 3\u003cbr\u003eCross-Reference Numbers: ECG956, SK9215\u003cbr\u003eVisible Component Code: 88718\u003cbr\u003eNumber of Items: 1\u003cbr\u003eCountry\/Region of Manufacture: Unknown\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eSGS LM317T adjustable positive voltage regulator in a three-terminal TO-220 package. This regulator provides an adjustable output voltage range of 1.2V to 37V with a maximum output current rating of 1.5A.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eSGS LM317T\u003cbr\u003eAdjustable Positive Voltage Regulator\u003cbr\u003e1.2V to 37V Output Range\u003cbr\u003e1.5A Maximum Output Current\u003cbr\u003eThree-Terminal TO-220 Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eCross-References ECG956 and SK9215\u003cbr\u003eVisible Component Code 88718\u003cbr\u003eNew Old Stock\u003cbr\u003e\u003cbr\u003eThis listing includes one voltage regulator. The component may show minor oxidation, discoloration, or other cosmetic evidence of long-term storage. Please review all photos carefully for the exact condition and markings.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock and has not been installed or placed into service by us. Electrical operation has not been independently tested. Vintage electronic components should be inspected and tested by a qualified technician before installation. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of SGS or SGS-Thomson. All product names, trademarks, brands, and logos are the property of their respective owners. This product is sourced from surplus inventory and is not covered by a manufacturer warranty.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe LM317 is an adjustable positive linear voltage regulator originally designed by Bob Dobkin at National Semiconductor in 1976 and since second-sourced by many manufacturers, SGS (later SGS-Thomson, now STMicroelectronics) among them. Published ratings are a 1.25V to 37V adjustable output, a 3V to 40V input-to-output differential and 1.5A maximum output current in the TO-220 package. NTE's published replacement list confirms the aftermarket cross-references: the NTE956 \/ ECG956 replaces the LM317, LM317T and the RCA SK9215, along with numerous house numbers. The LM337 is the negative-output complement. Important: in TO-220 packages the metal tab is connected internally to the regulator's output pin, not to ground — isolate the tab from a grounded heatsink where required.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the LM317T? A: A three-terminal adjustable positive linear voltage regulator in a TO-220 package, 1.2V to 37V output at up to 1.5A.\u003cbr\u003eQ: What are the cross-reference numbers? A: ECG956 \/ NTE956 and the RCA SK9215 — NTE's replacement list covers the LM317 and LM317T.\u003cbr\u003eQ: Is the TO-220 tab grounded? A: No. On the LM317 the tab is internally connected to the output pin, so it must be isolated from a grounded heatsink.\u003cbr\u003e\u003cbr\u003eSGS LM317T LM317 LM 317T Adjustable Voltage Regulator Positive Voltage Regulator Linear Regulator 1.2V 37V 1.5A TO-220 TO220 Three Terminal Regulator Through Hole IC ECG956 ECG 956 SK9215 SK 9215 Voltage Control Power Supply Repair Circuit Board Repair Vintage Electronics Electronic Component Semiconductor New Old Stock NOS Replacement Regulator Industrial Electronics\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"SGS","offers":[{"title":"Default Title","offer_id":49639772684443,"sku":"SGS-LM317T-N","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/sgs-lm317t-adjustable-voltage-regulator-1-american-industrial-parts-group.png?v=1790364302"},{"product_id":"lot-of-10-sgs-lm317t-adjustable-voltage-regulators-1-2-37v-1-5a-to-220-nos","title":"Lot of 10 SGS LM317T Adjustable Voltage Regulators 1.2-37V 1.5A TO-220 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: SGS\u003cbr\u003eModel: LM317T\u003cbr\u003eMPN: LM317T\u003cbr\u003eType: Adjustable Positive Voltage Regulator\u003cbr\u003eOutput Voltage Range: 1.2V to 37V\u003cbr\u003eMaximum Output Current: 1.5A\u003cbr\u003ePackage Type: TO-220\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eNumber of Terminals: 3 per Regulator\u003cbr\u003eCross-Reference Numbers: ECG956, SK9215\u003cbr\u003eVisible Component Code: 88718\u003cbr\u003eNumber of Items: 10\u003cbr\u003eCountry\/Region of Manufacture: Unknown\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 SGS LM317T adjustable positive voltage regulators in three-terminal TO-220 packages. Each regulator provides an adjustable output voltage range of 1.2V to 37V with a maximum output current rating of 1.5A.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Voltage Regulators\u003cbr\u003eSGS LM317T\u003cbr\u003eAdjustable Positive Voltage Regulator\u003cbr\u003e1.2V to 37V Output Range\u003cbr\u003e1.5A Maximum Output Current\u003cbr\u003eThree-Terminal TO-220 Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eCross-References ECG956 and SK9215\u003cbr\u003eVisible Component Code 88718\u003cbr\u003eNew Old Stock\u003cbr\u003e\u003cbr\u003eThis listing includes 10 voltage regulators. Components may show minor oxidation, discoloration, or other cosmetic evidence of long-term storage. Please review all photos carefully for the exact condition and markings.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are new old stock and have not been installed or placed into service by us. Electrical operation has not been independently tested. Vintage electronic components should be inspected and tested by a qualified technician before installation. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of SGS or SGS-Thomson. All product names, trademarks, brands, and logos are the property of their respective owners. These products are sourced from surplus inventory and are not covered by a manufacturer warranty.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe LM317 is an adjustable positive linear voltage regulator originally designed by Bob Dobkin at National Semiconductor in 1976 and since second-sourced by many manufacturers, SGS (later SGS-Thomson, now STMicroelectronics) among them. Published ratings are a 1.25V to 37V adjustable output, a 3V to 40V input-to-output differential and 1.5A maximum output current in the TO-220 package. NTE's published replacement list confirms the aftermarket cross-references: the NTE956 \/ ECG956 replaces the LM317, LM317T and the RCA SK9215, along with numerous house numbers. The LM337 is the negative-output complement. Important: in TO-220 packages the metal tab is connected internally to the regulator's output pin, not to ground — isolate the tab from a grounded heatsink where required.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is included in this lot? A: Ten SGS LM317T adjustable positive voltage regulators in three-terminal TO-220 packages, 1.2V to 37V output at up to 1.5A.\u003cbr\u003eQ: What are the cross-reference numbers? A: ECG956 \/ NTE956 and the RCA SK9215 — NTE's replacement list covers the LM317 and LM317T.\u003cbr\u003eQ: Is the TO-220 tab grounded? A: No. On the LM317 the tab is internally connected to the output pin, so it must be isolated from a grounded heatsink.\u003cbr\u003e\u003cbr\u003eSGS LM317T LM317 LM 317T Lot of 10 Voltage Regulators Adjustable Voltage Regulator Positive Voltage Regulator Linear Regulator 1.2V 37V 1.5A TO-220 TO220 Three Terminal Regulator Through Hole IC ECG956 ECG 956 SK9215 SK 9215 Voltage Control Power Supply Repair Circuit Board Repair Vintage Electronics Electronic Components Semiconductors New Old Stock NOS Replacement Regulators Industrial Electronics\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"SGS","offers":[{"title":"Default Title","offer_id":49639774421147,"sku":"SGS-LM317T-N-2","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/sgs-lm317t-adjustable-voltage-regulator-lot10-1-american-industrial-parts-group.png?v=1790364260"},{"product_id":"general-instrument-jan1n1731a-1500v-silicon-rectifier-diode-nos-military","title":"General Instrument JAN1N1731A 1500V Silicon Rectifier Diode NOS Military","description":"ITEM SPECIFICS\u003cbr\u003eBrand: General Instrument\u003cbr\u003eModel: 1N1731A\u003cbr\u003eMPN: JAN1N1731A\u003cbr\u003eType: Silicon Rectifier Diode — Military JAN Grade\u003cbr\u003eVoltage Rating: 1500V PIV\u003cbr\u003ePackage: Axial Leaded\u003cbr\u003eMilitary Qualification: JAN (MIL-PRF-19500)\u003cbr\u003eBody Marking: CAKK\u003cbr\u003eDate Code: 7324 (Week 24, 1973)\u003cbr\u003eCondition: New Old Stock (NOS)\u003cbr\u003eQuantity: 1\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eGeneral Instrument JAN1N1731A military-grade (JAN) silicon rectifier diode rated 1500V PIV, axial leaded package. Date code 7324 (1973 manufacture). Body marked with a CAGE code (CAKK) alongside the diode symbol and MIL screening square — full JAN-level military screening per MIL-PRF-19500. New old stock, never installed, stored in original surplus inventory.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eGeneral Instrument JAN1N1731A\u003cbr\u003eMilitary JAN Screened — MIL-PRF-19500\u003cbr\u003e1500V PIV Silicon Rectifier\u003cbr\u003eAxial Leaded Package\u003cbr\u003eBody Marked CAKK\u003cbr\u003eDate Code: 7324 (Week 24, 1973)\u003cbr\u003eNew Old Stock — Never Installed\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock (NOS) — unused, never installed. May show minor cosmetic marks from age and storage. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of General Instrument. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe 1N1731A is confirmed at 1.5kV (1500V PIV) in manufacturer part-number index documentation for the 1N1730–1N1734 high-voltage rectifier family (1kV–5kV in 1kV steps, with “A”-suffix variants carrying a higher current rating than the base number). Per NTE Electronics' own published cross-reference list, the NTE525 (2000V rectifier) is the documented replacement for 1N1731, 1N1731A and 1N1732 — note this is a higher-voltage universal replacement, not an exact-voltage match. Confirm current rating and application requirements before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the JAN prefix? A: JAN stands for Joint Army-Navy — it indicates military screening and qualification per MIL-PRF-19500, the U.S. standard for discrete semiconductor devices.\u003cbr\u003eQ: What voltage is the 1N1731A rated for? A: 1500V PIV, confirmed against manufacturer part-number index documentation for the 1N1730–1N1734 family.\u003cbr\u003eQ: What is the documented NTE equivalent? A: The NTE525 (2000V rectifier), per NTE Electronics' own cross-reference list — a higher-voltage universal replacement.\u003cbr\u003e\u003cbr\u003eGeneral Instrument JAN1N1731A 1N1731A JAN1N1731 1N1731 military diode 1500V rectifier diode JAN silicon rectifier MIL-PRF-19500 diode military grade rectifier General Instrument diode NOS military diode vintage rectifier diode axial silicon rectifier 1500V silicon diode high voltage rectifier diode obsolete military rectifier NOS rectifier diode vintage military semiconductor NTE525 cross reference\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"General Instrument","offers":[{"title":"Default Title","offer_id":49675715772571,"sku":"GI-JAN1N1731A-N","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/gi-jan1n1731a-1500v-military-diode-1-american-industrial-parts-group.png?v=1790632000"},{"product_id":"lot-of-10-rca-2n3055-npn-power-transistors-15a-60v-115w-to-3-vintage-nos","title":"Lot of 10 RCA 2N3055 NPN Power Transistors 15A 60V 115W TO-3 Vintage NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: RCA\u003cbr\u003eMPN: 2N3055\u003cbr\u003eModel: 2N3055\u003cbr\u003eType: NPN Power Transistor\u003cbr\u003eTransistor Type: NPN\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eCollector Current: 15 A\u003cbr\u003eCollector-Emitter Voltage: 60 V\u003cbr\u003eMaximum Power Dissipation: 115 W\u003cbr\u003ePackage \/ Case: TO-3 \/ TO-204AA\u003cbr\u003eMounting Style: Chassis Mount\u003cbr\u003eNumber of Leads: 2\u003cbr\u003eQuantity: 10\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eAdditional Marking: H 8340\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 vintage RCA 2N3055 NPN silicon power transistors from new old stock inventory.\u003cbr\u003e\u003cbr\u003eThe 2N3055 is a well-established general-purpose power transistor used in power switching and amplifier applications. These RCA-manufactured components use the classic TO-3 metal package and are particularly relevant for buyers seeking original vintage RCA components rather than modern-production 2N3055 transistors.\u003cbr\u003e\u003cbr\u003e• Quantity: 10 transistors\u003cbr\u003e• Genuine RCA-marked 2N3055\u003cbr\u003e• NPN silicon power transistor\u003cbr\u003e• 60 V collector-emitter breakdown rating\u003cbr\u003e• 15 A maximum collector current\u003cbr\u003e• 115 W maximum power dissipation\u003cbr\u003e• TO-3 \/ TO-204AA metal package\u003cbr\u003e• Chassis-mount configuration\u003cbr\u003e• Two external leads with case serving as collector\u003cbr\u003e• Additional device marking H 8340\u003cbr\u003e• Vintage RCA semiconductors\u003cbr\u003e• New old stock\u003cbr\u003e\u003cbr\u003eThe H 8340 marking is reproduced exactly as shown on the components. Its date or production-code meaning has not been independently verified and is therefore not represented as a manufacturing date.\u003cbr\u003ePlease verify the 2N3055 specifications and suitability for your application before purchasing.\u003cbr\u003e\u003cbr\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003cbr\u003eThe RCA 2N3055 is a standard NPN silicon power transistor in the TO-3 \/ TO-204AA package. It is commonly cross-referenced to NTE130 and used for amplifier and power-switching repair. Verify pinout and ratings for your circuit before installation.\u003cbr\u003e\u003cbr\u003eQ: What is the RCA 2N3055 rated for?\u003cbr\u003eA: 60 V collector-emitter, 15 A collector current, and 115 W maximum power dissipation.\u003cbr\u003e\u003cbr\u003eQ: How many transistors are included?\u003cbr\u003eA: Lot of 10 RCA 2N3055 transistors.\u003cbr\u003e\u003cbr\u003eQ: Which package is it?\u003cbr\u003eA: TO-3 \/ TO-204AA metal case, chassis mount, with the case serving as collector.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eNew old stock components. Items may show normal cosmetic evidence of long-term storage and handling consistent with their age. Please review the photographs carefully for the exact condition and markings of the items being offered. No testing has been performed unless specifically stated. Buyer is responsible for verifying part number, electrical specifications, suitability, and compatibility before installation.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eRCA is a trademark of its respective owner. American Industrial Parts Group is not an authorized distributor, dealer, or representative of RCA. All trademarks, manufacturer names, product names, and part numbers are used solely for identification and reference purposes. No affiliation with or endorsement by the manufacturer is implied.\u003cbr\u003e\u003cbr\u003eRCA 2N3055 2N-3055 RCA 2N3055 transistor RCA power transistor lot of 10 2N3055 NPN transistor NPN power transistor silicon power transistor 15A transistor 60V transistor 115W transistor TO-3 transistor TO3 transistor TO-204AA vintage RCA transistor vintage semiconductor vintage electronics NOS transistor new old stock transistor obsolete transistor audio power transistor amplifier transistor power amplifier transistor switching transistor linear power transistor classic 2N3055 replacement transistor RCA semiconductor H8340 industrial electronics electronic component bulk vintage transistors amplifier output transistor failed audio amp no output replacement transistor power supply pass transistor shorted\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"RCA","offers":[{"title":"Default Title","offer_id":49681520165019,"sku":"RCA-2N3055-N-2","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/rca-2n3055-npn-power-transistor-to-3-lot10-1-american-industrial-parts-group.jpg?v=1790709588"},{"product_id":"rca-2n3055-npn-silicon-power-transistor-15a-60v-115w-to-3-vintage-nos","title":"RCA 2N3055 NPN Silicon Power Transistor 15A 60V 115W TO-3 Vintage NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: RCA\u003cbr\u003eMPN: 2N3055\u003cbr\u003eModel: 2N3055\u003cbr\u003eType: NPN Power Transistor\u003cbr\u003eTransistor Type: NPN\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eCollector Current: 15 A\u003cbr\u003eCollector-Emitter Voltage: 60 V\u003cbr\u003eMaximum Power Dissipation: 115 W\u003cbr\u003ePackage \/ Case: TO-3 \/ TO-204AA\u003cbr\u003eMounting Style: Chassis Mount\u003cbr\u003eNumber of Leads: 2\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eAdditional Marking: H 8340\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eVintage RCA 2N3055 NPN silicon power transistor from new old stock inventory.\u003cbr\u003eThe 2N3055 is a well-established general-purpose power transistor designed for power switching and amplifier applications. This RCA-manufactured example uses the classic TO-3 metal package and is suitable for buyers seeking an original vintage RCA component rather than a modern-production 2N3055.\u003cbr\u003e\u003cbr\u003e• Genuine RCA-marked 2N3055\u003cbr\u003e• NPN silicon power transistor\u003cbr\u003e• 60 V collector-emitter breakdown rating\u003cbr\u003e• 15 A maximum collector current\u003cbr\u003e• 115 W maximum power dissipation\u003cbr\u003e• TO-3 \/ TO-204AA metal package\u003cbr\u003e• Chassis-mount configuration\u003cbr\u003e• Two external leads with case serving as collector\u003cbr\u003e• Additional device marking H 8340\u003cbr\u003e• Vintage RCA semiconductor\u003cbr\u003e• New old stock\u003cbr\u003e\u003cbr\u003eThe H 8340 marking is reproduced exactly as shown on the component. Its date or production-code meaning has not been independently verified and is therefore not represented as a manufacturing date.\u003cbr\u003ePlease verify the 2N3055 specifications and suitability for your application before purchasing.\u003cbr\u003e\u003cbr\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003cbr\u003eThe RCA 2N3055 is a standard NPN silicon power transistor in the TO-3 \/ TO-204AA package. It is commonly cross-referenced to NTE130 and used for amplifier and power-switching repair. Verify pinout and ratings for your circuit before installation.\u003cbr\u003e\u003cbr\u003eQ: What is the RCA 2N3055 rated for?\u003cbr\u003eA: 60 V collector-emitter, 15 A collector current, and 115 W maximum power dissipation.\u003cbr\u003e\u003cbr\u003eQ: Who made this transistor?\u003cbr\u003eA: It is RCA-marked vintage new old stock, not modern production.\u003cbr\u003e\u003cbr\u003eQ: Which package is it?\u003cbr\u003eA: TO-3 \/ TO-204AA metal case, chassis mount, with the case serving as collector.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eNew old stock component. Item may show normal cosmetic evidence of long-term storage and handling consistent with its age. Please review the photographs carefully for the exact condition and markings of the item being offered. No testing has been performed unless specifically stated. Buyer is responsible for verifying part number, electrical specifications, suitability, and compatibility before installation.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eRCA is a trademark of its respective owner. American Industrial Parts Group is not an authorized distributor, dealer, or representative of RCA. All trademarks, manufacturer names, product names, and part numbers are used solely for identification and reference purposes. No affiliation with or endorsement by the manufacturer is implied.\u003cbr\u003e\u003cbr\u003eRCA 2N3055 2N-3055 RCA 2N3055 transistor RCA power transistor NPN transistor NPN power transistor silicon power transistor 15A transistor 60V transistor 115W transistor TO-3 transistor TO3 transistor TO-204AA vintage RCA transistor vintage semiconductor vintage electronics NOS transistor new old stock transistor obsolete transistor audio power transistor amplifier transistor power amplifier transistor switching transistor linear power transistor classic 2N3055 replacement transistor RCA semiconductor H8340 industrial electronics electronic component amplifier output transistor failed audio amp no output replacement transistor power supply pass transistor shorted\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"RCA","offers":[{"title":"Default Title","offer_id":49681528684699,"sku":"RCA-2N3055-N","price":12.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/rca-2n3055-npn-power-transistor-to-3-1-american-industrial-parts-group.png?v=1790709587"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/collections\/Industrial-Automation-MRO-Products-American-Industrial-Parts-Group_65151b02-8b90-418a-a396-5011dc9f9b29.png?v=1790177986","url":"https:\/\/americanindustrialpartsgroup.com\/collections\/nte-ecg-cross-reference-semiconductors.oembed","provider":"American Industrial Parts Group","version":"1.0","type":"link"}