{"title":"Vintage Power Transistors","description":"\u003cp\u003eVintage power transistors for power supplies, voltage regulators, audio output stages and motor-control circuits — including the classic 2N3055 in the TO-3 metal package. New old stock and surplus inventory. The collector is connected to the case on TO-3 devices, so insulate the package from a grounded heatsink where the circuit requires it. 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":"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-motorola-mj4030-pnp-darlington-transistors-60v-16a-to-3-nos","title":"Lot of 10 Motorola MJ4030 PNP Darlington Transistors 60V 16A TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Motorola\u003cbr\u003eModel: MJ4030\u003cbr\u003eMPN: MJ4030\u003cbr\u003eQuantity: 10\u003cbr\u003eType: PNP Darlington Power Transistor\u003cbr\u003eTransistor Polarity: PNP\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eCollector-Emitter Voltage: 60V\u003cbr\u003eCollector-Base Voltage: 60V\u003cbr\u003eEmitter-Base Voltage: 5V\u003cbr\u003eMaximum Collector Current: 16A\u003cbr\u003eMaximum Base Current: 0.5A\u003cbr\u003eMaximum Power Dissipation: 150W\u003cbr\u003eMinimum DC Current Gain: 1000 at 10A\u003cbr\u003ePackage\/Case: TO-3\u003cbr\u003eNumber of Leads: 2 per transistor\u003cbr\u003eMounting Style: Chassis Mount \/ Through-Hole\u003cbr\u003eComplementary NPN Device: MJ4033\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 Motorola MJ4030 PNP silicon Darlington power transistors designed for use as output devices in complementary general-purpose amplifier applications.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Motorola MJ4030 transistors\u003cbr\u003ePNP Darlington configuration\u003cbr\u003e60V collector-emitter voltage\u003cbr\u003e60V collector-base voltage\u003cbr\u003e16A maximum collector current\u003cbr\u003e150W maximum power dissipation\u003cbr\u003eHigh DC current gain\u003cbr\u003eTO-3 metal package\u003cbr\u003eTwo leads with collector connected to the case\u003cbr\u003eComplementary NPN device: MJ4033\u003cbr\u003e\u003cbr\u003eNew old stock components. Units may show cosmetic marks, surface discoloration, or oxidation from long-term storage and handling. No original manufacturer packaging is included. Please review all photos for the exact condition and markings of the items being offered.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are new old stock. They may show cosmetic marks, surface discoloration, or oxidation from long-term storage and handling. Please review all photos for exact condition. 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 Motorola. 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 MJ4030 is a PNP silicon Darlington power transistor in a TO-3 package and is part of the MJ4030 \/ MJ4031 \/ MJ4032 PNP family, rated 60V, 80V and 100V respectively; the complementary NPN devices are the MJ4033 \/ MJ4034 \/ MJ4035. Published ratings for the MJ4030 are 60V collector-emitter and collector-base, 5V emitter-base, 16A collector current, 0.5A base current and 150W dissipation at a case temperature of 25°C, with monolithic Darlington construction and a built-in base-emitter shunt resistor giving very high DC current gain. The type was second-sourced by several manufacturers, including Continental Device India (CDIL), Mospec and New Jersey Semiconductor. The collector is connected to the case, so the packages 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 Motorola MJ4030 PNP Darlington power transistors in TO-3 packages, rated 60V with 16A collector current and 150W dissipation.\u003cbr\u003eQ: What is the complementary NPN device? A: The MJ4033.\u003cbr\u003eQ: How does the MJ4030 differ from the MJ4031 and MJ4032? A: They share the same 16A and 150W ratings but differ in voltage grade — 60V, 80V and 100V respectively.\u003cbr\u003e\u003cbr\u003eLot of 10 Motorola MJ4030 MJ 4030 PNP Darlington Power Transistor Silicon Power Transistors 60V Transistor 16A Transistor 150W Transistor TO-3 Transistor TO3 Metal Case Transistor High Gain Darlington Amplifier Output Transistor Complementary Power Transistor MJ4033 Complement Vintage Motorola Semiconductor NOS New Old Stock Electronic Components Audio Amplifier Repair Industrial Electronics Replacement Semiconductor Bulk Lot\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Motorola","offers":[{"title":"Default Title","offer_id":49632574701723,"sku":"MOT-MJ4030-N-2","price":134.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/motorola-mj4030-pnp-darlington-transistor-to-3-lot10-1-american-industrial-parts-group.png?v=1790291351"},{"product_id":"motorola-mj4030-pnp-darlington-power-transistor-60v-16a-150w-to-3-nos","title":"Motorola MJ4030 PNP Darlington Power Transistor 60V 16A 150W TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Motorola\u003cbr\u003eModel: MJ4030\u003cbr\u003eMPN: MJ4030\u003cbr\u003eType: PNP Darlington Power Transistor\u003cbr\u003eTransistor Polarity: PNP\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eCollector-Emitter Voltage: 60V\u003cbr\u003eCollector-Base Voltage: 60V\u003cbr\u003eEmitter-Base Voltage: 5V\u003cbr\u003eMaximum Collector Current: 16A\u003cbr\u003eMaximum Base Current: 0.5A\u003cbr\u003eMaximum Power Dissipation: 150W\u003cbr\u003eMinimum DC Current Gain: 1000 at 10A\u003cbr\u003ePackage\/Case: TO-3\u003cbr\u003eNumber of Leads: 2\u003cbr\u003eMounting Style: Chassis Mount \/ Through-Hole\u003cbr\u003eComplementary NPN Device: MJ4033\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eMotorola MJ4030 PNP silicon Darlington power transistor designed for use as an output device in complementary general-purpose amplifier applications.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eMotorola MJ4030\u003cbr\u003ePNP Darlington configuration\u003cbr\u003e60V collector-emitter voltage\u003cbr\u003e60V collector-base voltage\u003cbr\u003e16A maximum collector current\u003cbr\u003e150W maximum power dissipation\u003cbr\u003eHigh DC current gain\u003cbr\u003eTO-3 metal package\u003cbr\u003eTwo leads with collector connected to the case\u003cbr\u003eComplementary NPN device: MJ4033\u003cbr\u003e\u003cbr\u003eNew old stock component. The unit may show cosmetic marks, surface discoloration, or oxidation from long-term storage and handling. No original manufacturer packaging is included. Please review all photos for the exact condition and markings of the item being offered.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock. It may show cosmetic marks, surface discoloration, or oxidation from long-term storage and handling. Please review all photos for exact condition. 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 Motorola. 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 MJ4030 is a PNP silicon Darlington power transistor in a TO-3 package and is part of the MJ4030 \/ MJ4031 \/ MJ4032 PNP family, rated 60V, 80V and 100V respectively; the complementary NPN devices are the MJ4033 \/ MJ4034 \/ MJ4035. Published ratings for the MJ4030 are 60V collector-emitter and collector-base, 5V emitter-base, 16A collector current, 0.5A base current and 150W dissipation at a case temperature of 25°C, with monolithic Darlington construction and a built-in base-emitter shunt resistor giving very high DC current gain. The type was second-sourced by several manufacturers, including Continental Device India (CDIL), Mospec and New Jersey Semiconductor. The collector is 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 complementary NPN device? A: The MJ4033.\u003cbr\u003eQ: How does the MJ4030 differ from the MJ4031 and MJ4032? A: They share the same 16A and 150W ratings but differ in voltage grade — 60V, 80V and 100V respectively.\u003cbr\u003eQ: Why does this transistor have such high gain? A: It is a monolithic two-stage Darlington with a built-in base-emitter shunt resistor, giving DC current gain in the thousands at 10A.\u003cbr\u003e\u003cbr\u003eMotorola MJ4030 MJ 4030 PNP Darlington Power Transistor Silicon Power Transistor 60V Transistor 16A Transistor 150W Transistor TO-3 Transistor TO3 Metal Case Transistor High Gain Darlington Amplifier Output Transistor Complementary Power Transistor MJ4033 Complement Vintage Motorola Semiconductor NOS New Old Stock Electronic Component Audio Amplifier Repair Industrial Electronics Replacement Semiconductor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Motorola","offers":[{"title":"Default Title","offer_id":49632574767259,"sku":"MOT-MJ4030-N","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/motorola-mj4030-pnp-darlington-transistor-to-3-1-american-industrial-parts-group.png?v=1790291350"},{"product_id":"trw-1700c-silicon-npn-power-transistor-to-3-100v-15a-150w-nos","title":"TRW 1700C Silicon NPN Power Transistor TO-3 100V 15A 150W NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: TRW\u003cbr\u003eManufacturer: Thompson Ramo Wooldridge\u003cbr\u003eModel: 1700C\u003cbr\u003eMPN: 1700C\u003cbr\u003eMarking Code: 7832\u003cbr\u003eType: NPN Power Transistor\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003ePackage Type: TO-3\u003cbr\u003eMaximum Collector Current: 15A DC\u003cbr\u003eMaximum Collector Voltage: 100V\u003cbr\u003eMaximum Power Dissipation: 150W\u003cbr\u003eMaximum Junction Temperature: 180°C\u003cbr\u003eCase Connection: Collector\u003cbr\u003eTerminal Configuration: Two Pins and Metal Case\u003cbr\u003eMounting Style: Chassis Mount \/ Through-Hole\u003cbr\u003eCase Construction: Hermetically Sealed Metal\u003cbr\u003eAssociated Supply References: RC1700, RC1700A, SD1700, SD1700A\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eTRW 1700C silicon NPN power transistor in a hermetically sealed TO-3 metal package. The transistor is rated for a maximum collector current of 15A DC, maximum collector voltage of 100V, maximum power dissipation of 150W, and maximum junction temperature of 180°C.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eTRW 1700C\u003cbr\u003eSilicon NPN power transistor\u003cbr\u003eTO-3 metal package\u003cbr\u003e100V maximum collector voltage\u003cbr\u003e15A maximum collector current\u003cbr\u003e150W maximum power dissipation\u003cbr\u003e180°C maximum junction temperature\u003cbr\u003eCollector electrically connected to the metal case\u003cbr\u003eTwo electrical pins plus metal case connection\u003cbr\u003eTwo-hole chassis-mount flange\u003cbr\u003eProduction\/lot marking 7832\u003cbr\u003eOne transistor included\u003cbr\u003e\u003cbr\u003eGovernment supply records associate the 1700C with reference numbers RC1700, RC1700A, SD1700, and SD1700A. Buyers should verify all electrical specifications, pin configuration, polarity, and application requirements before installation.\u003cbr\u003eNew old stock from surplus inventory. The component may show cosmetic marks, oxidation, discoloration, or surface wear from extended storage and handling. It does not include its original packaging and has not been electrically tested. Please review all photos for the exact markings, condition, terminal configuration, and included component.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock from surplus inventory and has not been electrically tested. It may show cosmetic wear, oxidation, discoloration, or storage marks consistent with its age. Compatibility and application suitability must be verified by the buyer before installation. Only the component shown in the photos is included. 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 TRW or Thompson Ramo Wooldridge. 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 1700C is catalogued in United States federal supply data under NSN 5961-00-772-8144, where the device is described as a silicon junction transistor with a 100V maximum collector-to-base voltage and is cross-referenced to the alternate numbers RC1700, RC1700A, SD1700 and SD1700A; a second record, NSN 5961-01-094-7330, lists TRW-1700C as an NPN transistor. Note that some surplus listings describe the 1700C as a germanium device — federal supply data lists it as silicon. No manufacturer datasheet is publicly available for this part, so verify pinout, gain and saturation characteristics electrically before designing it into a circuit. As with other TO-3 power devices, the collector is 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: Is the TRW 1700C silicon or germanium? A: Silicon. Federal supply data for NSN 5961-00-772-8144 lists the device as silicon, although some surplus listings incorrectly describe it as germanium.\u003cbr\u003eQ: What are the alternate part numbers? A: RC1700, RC1700A, SD1700 and SD1700A.\u003cbr\u003eQ: How many transistors are included? A: One.\u003cbr\u003e\u003cbr\u003eTRW 1700C TRW1700C Thompson Ramo Wooldridge Silicon NPN Power Transistor TO-3 TO3 Metal Can Transistor 100V Transistor 15A Transistor 150W Power Semiconductor RC1700 RC1700A SD1700 SD1700A Hermetically Sealed Transistor Chassis Mount Transistor Vintage Electronic Component Obsolete Semiconductor NOS New Old Stock Industrial Electronics Power Supply Repair Amplifier Repair MRO Replacement Component\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"TRW","offers":[{"title":"Default Title","offer_id":49632576012443,"sku":"TRW-1700C-N","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/trw-1700c-npn-power-transistor-to-3-1-american-industrial-parts-group.png?v=1790291350"},{"product_id":"trw-1700c-npn-power-transistor-to-3-chassis-mount-common-emitter","title":"Lot of 10 TRW 1700C Silicon NPN Power Transistors TO-3 100V 15A 150W NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: TRW\u003cbr\u003eManufacturer: Thompson Ramo Wooldridge\u003cbr\u003eModel: 1700C\u003cbr\u003eMPN: 1700C\u003cbr\u003eType: NPN Power Transistor\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003ePackage Type: TO-3\u003cbr\u003eMaximum Collector Current: 15A DC\u003cbr\u003eMaximum Collector Voltage: 100V\u003cbr\u003eMaximum Power Dissipation: 150W\u003cbr\u003eMaximum Junction Temperature: 180°C\u003cbr\u003eCase Connection: Collector\u003cbr\u003eTerminal Configuration: Two Pins and Metal Case\u003cbr\u003eMounting Style: Chassis Mount \/ Through-Hole\u003cbr\u003eCase Construction: Hermetically Sealed Metal\u003cbr\u003eAssociated Supply References: RC1700, RC1700A, SD1700, SD1700A\u003cbr\u003eNumber of Transistors: 10\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 TRW 1700C silicon NPN power transistors in hermetically sealed TO-3 metal packages. Each transistor is rated for a maximum collector current of 15A DC, maximum collector voltage of 100V, maximum power dissipation of 150W, and maximum junction temperature of 180°C.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 TRW 1700C transistors\u003cbr\u003eSilicon NPN power transistor construction\u003cbr\u003eTO-3 metal packages\u003cbr\u003e100V maximum collector voltage\u003cbr\u003e15A maximum collector current\u003cbr\u003e150W maximum power dissipation\u003cbr\u003e180°C maximum junction temperature\u003cbr\u003eCollectors electrically connected to the metal cases\u003cbr\u003eTwo electrical pins plus metal case connection\u003cbr\u003eTwo-hole chassis-mount flanges\u003cbr\u003eTen transistors included\u003cbr\u003e\u003cbr\u003eGovernment supply records associate the 1700C with reference numbers RC1700, RC1700A, SD1700, and SD1700A. Buyers should verify all electrical specifications, pin configurations, polarity, and application requirements before installation.\u003cbr\u003eNew old stock from surplus inventory. The components may show cosmetic marks, oxidation, discoloration, or surface wear from extended storage and handling. Original packaging is not included, and the transistors have not been electrically tested. Marking and production codes may vary within the lot. Please review the photos for representative condition and construction.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are new old stock from surplus inventory and have not been electrically tested. They may show cosmetic wear, oxidation, discoloration, or storage marks consistent with their age. Compatibility and application suitability must be verified by the buyer before installation. The listing includes 10 transistors. 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 TRW or Thompson Ramo Wooldridge. 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 1700C is catalogued in United States federal supply data under NSN 5961-00-772-8144, where the device is described as a silicon junction transistor with a 100V maximum collector-to-base voltage and is cross-referenced to the alternate numbers RC1700, RC1700A, SD1700 and SD1700A; a second record, NSN 5961-01-094-7330, lists TRW-1700C as an NPN transistor. Note that some surplus listings describe the 1700C as a germanium device — federal supply data lists it as silicon. No manufacturer datasheet is publicly available for this part, so verify pinout, gain and saturation characteristics electrically before designing it into a circuit. As with other TO-3 power devices, the collector is 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: Is the TRW 1700C silicon or germanium? A: Silicon. Federal supply data for NSN 5961-00-772-8144 lists the device as silicon, although some surplus listings incorrectly describe it as germanium.\u003cbr\u003eQ: What are the alternate part numbers? A: RC1700, RC1700A, SD1700 and SD1700A.\u003cbr\u003eQ: How many transistors are included? A: Ten.\u003cbr\u003e\u003cbr\u003eTRW 1700C TRW1700C Thompson Ramo Wooldridge Silicon NPN Power Transistor TO-3 TO3 Metal Can Transistor 100V Transistor 15A Transistor 150W Power Semiconductor RC1700 RC1700A SD1700 SD1700A Hermetically Sealed Transistor Chassis Mount Transistor Vintage Electronic Components Obsolete Semiconductors NOS New Old Stock Industrial Electronics Power Supply Repair Amplifier Repair MRO Replacement Components Bulk Lot of 10\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"TRW","offers":[{"title":"Default Title","offer_id":49632582860955,"sku":"TRW-1700C-N-2","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/trw-1700c-npn-power-transistor-to-3-lot10-1-american-industrial-parts-group.png?v=1790291350"},{"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":"toshiba-2n3773-npn-power-transistor-140v-16a-150w-to-3-nos","title":"Toshiba 2N3773 NPN Power Transistor 140V 16A 150W TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Toshiba\u003cbr\u003eModel: 2N3773\u003cbr\u003eMPN: 2N3773\u003cbr\u003eType: NPN Power Transistor\u003cbr\u003eTransistor Polarity: NPN\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eCollector-Emitter Voltage: 140V\u003cbr\u003eCollector Current: 16A\u003cbr\u003eMaximum Power Dissipation: 150W\u003cbr\u003ePackage Type: TO-3 Metal Case\u003cbr\u003eMounting Style: Chassis Mount\u003cbr\u003eNumber of Terminals: 2\u003cbr\u003eVisible Component Code: 8536\u003cbr\u003eNumber of Items: 1\u003cbr\u003eCountry\/Region of Manufacture: Unknown\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eToshiba 2N3773 silicon NPN power transistor in a two-terminal TO-3 metal package. The 2N3773 is rated for a collector-emitter voltage of 140V, collector current of 16A, and maximum power dissipation of 150W.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eToshiba 2N3773\u003cbr\u003eSilicon NPN Power Transistor\u003cbr\u003e140V Collector-Emitter Voltage\u003cbr\u003e16A Collector Current\u003cbr\u003e150W Maximum Power Dissipation\u003cbr\u003eTO-3 Metal Package\u003cbr\u003eTwo-Terminal Configuration\u003cbr\u003eChassis-Mount Design\u003cbr\u003eVisible Component Code 8536\u003cbr\u003eNew Old Stock\u003cbr\u003e\u003cbr\u003eThis listing includes one transistor. The component may show minor scratches, oxidation, discoloration, or other cosmetic evidence of long-term storage and handling. 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 Toshiba. 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 2N3773 is a JEDEC-registered NPN silicon power transistor in a TO-3 package, rated 140V collector-emitter sustaining voltage, 160V collector-base, 16A collector current and 150W dissipation at a case temperature of 25°C, with a minimum DC current gain of 15 at 8A. Its complementary PNP device is the 2N6609. Published datasheets describe it as designed for high-power audio, disk-head positioners and other linear applications, as well as power switching circuits such as relay or solenoid drivers, DC-DC converters and inverters. The type is widely second-sourced — ON Semiconductor, Continental Device India and others — so confirm the specific manufacturer's ratings when substituting. The collector is connected to the case, so insulate the package 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 2N3773? A: An NPN silicon power transistor in a TO-3 metal package, rated 140V with 16A collector current and 150W dissipation.\u003cbr\u003eQ: What is the complementary PNP device? A: The 2N6609.\u003cbr\u003eQ: How does the 2N3773 compare with the 2N3055? A: It is a higher-rated device — 140V and 16A versus 60V and 15A for the 2N3055, with 150W versus 115W dissipation — in the same TO-3 package.\u003cbr\u003e\u003cbr\u003eToshiba 2N3773 2N 3773 NPN Power Transistor Silicon Transistor Bipolar Junction Transistor BJT 140V Transistor 16A Transistor 150W Transistor TO-3 TO3 Metal Case Transistor Chassis Mount Transistor Audio Amplifier Transistor Linear Amplifier Transistor Switching Regulator Transistor Solenoid Driver DC Converter Power Supply Repair Amplifier Repair Vintage Electronics Electronic Component New Old Stock NOS Replacement Transistor Industrial Electronics\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Toshiba","offers":[{"title":"Default Title","offer_id":49639776157851,"sku":"TOS-2N3773-N","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/toshiba-2n3773-npn-power-transistor-to-3-1-american-industrial-parts-group.png?v=1790364260"},{"product_id":"lot-of-10-toshiba-2n3773-npn-power-transistors-140v-16a-150w-to-3-nos","title":"Lot of 10 Toshiba 2N3773 NPN Power Transistors 140V 16A 150W TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Toshiba\u003cbr\u003eModel: 2N3773\u003cbr\u003eMPN: 2N3773\u003cbr\u003eType: NPN Power Transistor\u003cbr\u003eTransistor Polarity: NPN\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eCollector-Emitter Voltage: 140V\u003cbr\u003eCollector Current: 16A\u003cbr\u003eMaximum Power Dissipation: 150W\u003cbr\u003ePackage Type: TO-3 Metal Case\u003cbr\u003eMounting Style: Chassis Mount\u003cbr\u003eNumber of Terminals: 2 per Transistor\u003cbr\u003eVisible Component Code: 8536\u003cbr\u003eNumber of Items: 10\u003cbr\u003eCountry\/Region of Manufacture: Unknown\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 Toshiba 2N3773 silicon NPN power transistors in two-terminal TO-3 metal packages. Each 2N3773 is rated for a collector-emitter voltage of 140V, collector current of 16A, and maximum power dissipation of 150W.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Power Transistors\u003cbr\u003eToshiba 2N3773\u003cbr\u003eSilicon NPN Power Transistor\u003cbr\u003e140V Collector-Emitter Voltage\u003cbr\u003e16A Collector Current\u003cbr\u003e150W Maximum Power Dissipation\u003cbr\u003eTO-3 Metal Package\u003cbr\u003eTwo-Terminal Configuration\u003cbr\u003eChassis-Mount Design\u003cbr\u003eVisible Component Code 8536\u003cbr\u003eNew Old Stock\u003cbr\u003e\u003cbr\u003eThis listing includes 10 transistors. Components may show minor scratches, oxidation, discoloration, or other cosmetic evidence of long-term storage and handling. 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 Toshiba. 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 2N3773 is a JEDEC-registered NPN silicon power transistor in a TO-3 package, rated 140V collector-emitter sustaining voltage, 160V collector-base, 16A collector current and 150W dissipation at a case temperature of 25°C, with a minimum DC current gain of 15 at 8A. Its complementary PNP device is the 2N6609. Published datasheets describe it as designed for high-power audio, disk-head positioners and other linear applications, as well as power switching circuits such as relay or solenoid drivers, DC-DC converters and inverters. The type is widely second-sourced — ON Semiconductor, Continental Device India and others — so confirm the specific manufacturer's ratings when substituting. The collector is connected to the case, so insulate the package 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 Toshiba 2N3773 NPN silicon power transistors in TO-3 metal packages, rated 140V with 16A collector current and 150W dissipation.\u003cbr\u003eQ: What is the complementary PNP device? A: The 2N6609.\u003cbr\u003eQ: How does the 2N3773 compare with the 2N3055? A: It is a higher-rated device — 140V and 16A versus 60V and 15A for the 2N3055, with 150W versus 115W dissipation — in the same TO-3 package.\u003cbr\u003e\u003cbr\u003eToshiba 2N3773 2N 3773 Lot of 10 Power Transistors NPN Power Transistor Silicon Transistor Bipolar Junction Transistor BJT 140V Transistor 16A Transistor 150W Transistor TO-3 TO3 Metal Case Transistor Chassis Mount Transistor Audio Amplifier Transistor Linear Amplifier Transistor Switching Regulator Transistor Solenoid Driver DC Converter Power Supply Repair Amplifier Repair Vintage Electronics Electronic Components New Old Stock NOS Replacement Transistors Industrial Electronics\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Toshiba","offers":[{"title":"Default Title","offer_id":49639777861787,"sku":"TOS-2N3773-N-2","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/toshiba-2n3773-npn-power-transistor-to-3-lot10-1-american-industrial-parts-group.jpg?v=1790364260"},{"product_id":"rca-2n6250-npn-power-transistor-275v-10a-175w-to-3-nos","title":"RCA 2N6250 NPN Power Transistor 275V 10A 175W TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: RCA\u003cbr\u003eModel: 2N6250\u003cbr\u003eMPN: 2N6250\u003cbr\u003eType: High-Voltage NPN Power Transistor\u003cbr\u003eTransistor Polarity: NPN\u003cbr\u003eSemiconductor Material: Silicon\u003cbr\u003eCollector-Emitter Voltage: 275V\u003cbr\u003eCollector Current: 10A\u003cbr\u003eMaximum Power Dissipation: 175W\u003cbr\u003ePackage Type: TO-3 Metal Case\u003cbr\u003eMounting Style: Chassis Mount\u003cbr\u003eNumber of Terminals: 2\u003cbr\u003eVisible Component Code: H 8510\u003cbr\u003eNumber of Items: 1\u003cbr\u003eCountry\/Region of Manufacture: Unknown\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eRCA 2N6250 high-voltage silicon NPN power transistor in a two-terminal TO-3 metal package. The 2N6250 is rated for a collector-emitter voltage of 275V, collector current of 10A, and maximum power dissipation of 175W.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eRCA 2N6250\u003cbr\u003eHigh-Voltage Silicon NPN Power Transistor\u003cbr\u003e275V Collector-Emitter Voltage\u003cbr\u003e10A Collector Current\u003cbr\u003e175W Maximum Power Dissipation\u003cbr\u003eTO-3 Metal Package\u003cbr\u003eTwo-Terminal Configuration\u003cbr\u003eChassis-Mount Design\u003cbr\u003eVisible Component Code H 8510\u003cbr\u003eNew Old Stock\u003cbr\u003e\u003cbr\u003eThis listing includes one transistor. The component may show minor scratches, oxidation, discoloration, or other cosmetic evidence of long-term storage and handling. 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 RCA. 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 2N6250 is a JEDEC-registered high-voltage NPN silicon power transistor in a TO-3 (TO-204AA) package, and is the middle member of the 2N6249 \/ 2N6250 \/ 2N6251 family rated 200V, 275V and 350V collector-emitter respectively. Published family ratings are 375V collector-base and 6.0V emitter-base for the 2N6250, with 10A collector current. The series was designed for high-voltage inverters, switching regulators and line-operated amplifier applications, and has been second-sourced by several manufacturers; military-grade JAN, JANTX and JANTXV versions exist under MIL-PRF-19500\/371. Confirm voltage grade, gain and saturation characteristics against the original device before substituting, and note that a lower-voltage 2N6249 is not a substitute in a 275V circuit. The collector is connected to the case, so insulate the package 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 2N6250? A: A high-voltage NPN silicon power transistor in a TO-3 metal package, rated 275V collector-emitter with 10A collector current and 175W dissipation.\u003cbr\u003eQ: How does it differ from the 2N6249 and 2N6251? A: Same family, different voltage grades — 200V, 275V and 350V collector-emitter respectively.\u003cbr\u003eQ: What was this transistor designed for? A: High-voltage inverters, switching regulators and line-operated amplifier applications.\u003cbr\u003e\u003cbr\u003eRCA 2N6250 2N 6250 NPN Power Transistor High Voltage Transistor Silicon Transistor Bipolar Junction Transistor BJT 275V Transistor 10A Transistor 175W Transistor TO-3 TO3 Metal Case Transistor Chassis Mount Transistor Switching Transistor Switching Regulator High Voltage Inverter Line Operated Amplifier Industrial Power Transistor Power Supply Repair Amplifier Repair Vintage Electronics Electronic Component New Old Stock NOS Replacement Transistor Industrial Electronics\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"RCA","offers":[{"title":"Default Title","offer_id":49639779631259,"sku":"RCA-2N6250-N","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/rca-2n6250-npn-power-transistor-to-3-1-american-industrial-parts-group.png?v=1790364260"},{"product_id":"lot-of-10-rca-2n6250-npn-power-transistors-275v-10a-175w-to-3-nos","title":"Lot of 10 RCA 2N6250 NPN Power Transistors 275V 10A 175W TO-3 NOS","description":"ITEM SPECIFICS\u003cbr\u003eBrand: RCA\u003cbr\u003eModel: 2N6250\u003cbr\u003eMPN: 2N6250\u003cbr\u003eType: NPN Power Transistor\u003cbr\u003eTransistor Type: Silicon NPN Bipolar Junction Transistor\u003cbr\u003eCollector-Emitter Voltage: 275V\u003cbr\u003eCollector Current: 10A\u003cbr\u003eMaximum Power Dissipation: 175W\u003cbr\u003ePackage Type: TO-3 Metal Case\u003cbr\u003eNumber of Terminals: 2\u003cbr\u003eMounting Style: Chassis Mount\u003cbr\u003eQuantity: 10\u003cbr\u003eCountry\/Region of Manufacture: Unknown\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 RCA 2N6250 high-voltage silicon NPN power transistors in TO-3 metal cases. These transistors are rated for 275V collector-emitter voltage, 10A collector current, and maximum power dissipation of 175W.\u003cbr\u003e\u003cbr\u003eThese components are commonly used in high-voltage switching, power supplies, switching regulators, inverters, amplifiers, industrial electronics, and vintage equipment repair applications.\u003cbr\u003e\u003cbr\u003eThe transistors are New Old Stock and may show minor scratches, oxidation, discoloration, or other cosmetic evidence of long-term storage and handling. Please review all photos for the exact condition and markings of the available inventory.\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. Installation and application should be performed by a qualified technician who confirms suitability for the intended equipment. 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 secondary-market inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe 2N6250 is a JEDEC-registered high-voltage NPN silicon power transistor in a TO-3 (TO-204AA) package, and is the middle member of the 2N6249 \/ 2N6250 \/ 2N6251 family rated 200V, 275V and 350V collector-emitter respectively. Published family ratings are 375V collector-base and 6.0V emitter-base for the 2N6250, with 10A collector current. The series was designed for high-voltage inverters, switching regulators and line-operated amplifier applications, and has been second-sourced by several manufacturers; military-grade JAN, JANTX and JANTXV versions exist under MIL-PRF-19500\/371. Confirm voltage grade, gain and saturation characteristics against the original device before substituting, and note that a lower-voltage 2N6249 is not a substitute in a 275V circuit. The collector is connected to the case, so insulate the package 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 RCA 2N6250 high-voltage NPN silicon power transistors in TO-3 metal packages, rated 275V with 10A collector current.\u003cbr\u003eQ: How does the 2N6250 differ from the 2N6249 and 2N6251? A: They are the same family with different voltage grades — 200V, 275V and 350V collector-emitter respectively.\u003cbr\u003eQ: What was this transistor designed for? A: High-voltage inverters, switching regulators and line-operated amplifier applications.\u003cbr\u003e\u003cbr\u003eRCA 2N6250 2N 6250 Lot of 10 NPN Power Transistor High Voltage Transistor Silicon Transistor Bipolar Junction Transistor BJT 275V Transistor 10A Transistor 175W Transistor TO-3 TO3 Metal Case Transistor Chassis Mount Transistor Switching Transistor Switching Regulator High Voltage Inverter Line Operated Amplifier Industrial Power Transistor Power Supply Repair Amplifier Repair Vintage Electronics Electronic Components New Old Stock NOS Replacement Transistors Industrial Electronics\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"RCA","offers":[{"title":"Default Title","offer_id":49639781662875,"sku":"RCA-2N6250-N-2","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/rca-2n6250-npn-power-transistor-to-3-lot10-1-american-industrial-parts-group.png?v=1790364259"},{"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_9ee3cdf9-8283-45c3-a9d1-34346f760e42.png?v=1790177985","url":"https:\/\/americanindustrialpartsgroup.com\/collections\/vintage-power-transistors.oembed","provider":"American Industrial Parts Group","version":"1.0","type":"link"}