Motorola MC7918CT ECG-959 -18V 1A Negative Voltage Regulator TO-220 NOS

ITEM SPECIFICS
Brand: Motorola
Model: MC7918CT
MPN: MC7918CT
Alternate Marking: ECG-959
Series: MC7900
Type: Fixed Negative Linear Voltage Regulator
Output Voltage: -18V
Output Current: 1A
Polarity: Negative
Package: TO-220
Number of Terminals: 3
Mounting Style: Through-Hole
Condition: New Old Stock

DESCRIPTION
Motorola MC7918CT fixed negative voltage regulator, marked MC7918CT. The storage label identifies the ECG replacement designation as ECG-959.

Specifications:
-18V fixed output
1A maximum output current
Negative polarity
3-terminal TO-220 package
Through-hole mounting
MC7900 regulator series
New old stock

This listing is for one regulator. The component is loose and does not include original retail packaging. Electrical testing is not included. Please review all photographs carefully and verify compatibility before purchase.

DISCLAIMER
New old stock electronic component. May show minor cosmetic marks or storage wear from age and loose storage. No original retail packaging is included. The item has not been electrically tested.

LEGAL DISCLAIMER
We are not an authorized distributor, reseller, or representative of Motorola, ECG, or any successor company. 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.

COMPATIBILITY & CROSS-REFERENCE
The MC7918CT is a fixed -18V, 1A negative voltage regulator in a TO-220 package; onsemi lists -35V maximum input. NTE's NTE959 is a -18V, 1A negative regulator, and ECG959 is the ECG number for it. The MC7900 series is the negative complement to the MC7800 positive regulator series. Confirm output voltage and input range against the original circuit before substituting.

Q&A
Q: What is the MC7918CT? A: A Motorola fixed -18V, 1A negative voltage regulator in a TO-220 package.
Q: What is the ECG cross-reference? A: ECG-959, the ECG number for the NTE959 -18V, 1A negative regulator.
Q: What is the positive counterpart? A: The MC7818, in the MC7800 series.

Motorola MC7918CT MC7918 CT ECG-959 ECG959 7918CT -18V 1A Negative Voltage Regulator Fixed Linear Regulator MC7900 Series TO-220 TO220 3 Terminal Regulator Through Hole Power Supply Regulation Vintage Electronics Replacement Part New Old Stock NOS voltage regulator failed replacement no output voltage regulator replacement

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