The Transistor, cataloged under National Stock Number 5961-01-305-3608, 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 Semitronics Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-305-3608 |
| Primary Part Number | 312A5077P1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Semitronics Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 90.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 135.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 100.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 20.00 AMPERES MAXIMUM BASE CURRENT, DC |
| Function for Which Designed | SWITCHING |
| Terminal Type and Quantity | 1 CASE AND 2 PIN |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 175.0 WATTS MAXIMUM TOTAL 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 |
|---|---|
| 312A5077P1 | Semitronics Corp (USA) |
| SCA15487 | Osi Optoelectronics, Inc Dba Semicoa (USA) |
| Reference | Meaning |
|---|---|
| 312A5077P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-305-3608 is a Transistor, manufactured by Semitronics Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-305-3608 has 2 manufacturer part numbers on file: 312A5077P1 (Semitronics Corp), SCA15487 (Osi Optoelectronics, Inc Dba Semicoa).
Key specifications for 312A5077P1: Overall Height: 0.250 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 90.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 135.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 11 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.