The Transistor, cataloged under National Stock Number 5961-01-019-2174, 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 Microsemi Corp - Massachusetts. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-019-2174 |
| Primary Part Number | TR26-02A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp - Massachusetts |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 200.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 200.0 MAXIMUM COLLECTOR-TO-EMITTER, RESISTANCE BETWEEN BASE AND EMITTER AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR 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 | 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 2.00 AMPERES MAXIMUM BASE CURRENT, DC |
| Terminal Type and Quantity | 2 PIN AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 2.0 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 |
|---|---|
| 450904-8538-2 | Northrop Grumman Litef Gmbh (DEU) |
| TR26-02 | Eldec Aerospace Corp (USA) |
| 450904-8538-002 | Northrop Grumman Litef Gmbh (DEU) |
| STA9278 | Microsemi Corp - Massachusetts (USA) |
| TR26-02A PRIMARY | Microsemi Corp - Massachusetts (USA) |
| STA8299 | Silicon Transistor Corporation Dba Same (USA) |
| Reference | Meaning |
|---|---|
| PP7901 | 5/1 Secondary reference Microsemi Ppc Inc |
| VP2033 | 5/9 Secondary reference Micro Uspd Inc |
| TR26-02A | 5/9 Secondary reference Microsemi Ppc Inc |
| TR26-02 | 5/9 Secondary reference Silicon Transistor Corporation Dba Same |
| TR26-02 | 5/9 Secondary reference Microsemi Ppc Inc |
| TR26-02A | 5/9 Secondary reference Eldec Aerospace Corp |
| STA9278 | 5/9 Secondary reference Silicon Transistor Corporation Dba Same |
NSN 5961-01-019-2174 is a Transistor, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-019-2174 has 6 manufacturer part numbers on file: 450904-8538-2 (Northrop Grumman Litef Gmbh), TR26-02 (Eldec Aerospace Corp), 450904-8538-002 (Northrop Grumman Litef Gmbh), STA9278 (Microsemi Corp - Massachusetts), TR26-02A (Microsemi Corp - Massachusetts) and 1 more.
Key specifications for TR26-02A: Overall Height: 0.285 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 200.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 200.0 MAXIMUM COLLECTOR-TO-EMITTER, RESISTANCE BETWEEN BASE AND EMITTER AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 10 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.