The Transistor, cataloged under National Stock Number 5961-00-142-8925, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-142-8925 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | -25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -25.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MINIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.330 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Terminal Length | 0.400 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Internal Junction Configuration | PNP |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Precious Material and Location | TERMINAL SURFACE GOLD |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL IN |
| Power Rating Per Characteristic | 300.0 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 |
| Reference | Meaning |
|---|---|
| 280198 | 5/9 Secondary reference U.S. Government activity |
| 4805-280198 | 5/9 Secondary reference U.S. Government activity |
| S37234 | 5/9 Secondary reference Fairchild Semiconductor Corp |
| 4818-203364 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-00-142-8925 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-214-5001, 5962-01-370-3701. Verify interchangeability with system specifications before substitution.
Key specifications for 5961-00-142-8925: Voltage Rating in Volts Per Characteristic: -25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -25.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MINIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.330 INCHES MAXIMUM IN; Precious Material: GOLD. 15 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.