The Transistor, cataloged under National Stock Number 5961-00-556-9142, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-556-9142 |
| Primary Part Number | 621369PC2 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.429 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Terminal Length | 1.250 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 40.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Precious Material and Location | TERMINAL SURFACE GOLD |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 750.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 621369PC2 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 621369-2REVF | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| J143 | 5/9 Secondary reference Texas Instruments Incorporated |
| J143 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-00-556-9142 is a Transistor, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-556-9142 has 2 manufacturer part numbers on file: 621369PC2 (Lockheed Martin Corporation Div Rms - Mitchel Field), 621369-2REVF (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 621369PC2: Voltage Rating in Volts Per Characteristic: 120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.429 INCHES MAXIMUM IN; Precious Material: GOLD. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.