The Transistor, cataloged under National Stock Number 5961-01-081-0895, 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 Eldec Aerospace Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-081-0895 |
| Primary Part Number | TR48-01A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Eldec Aerospace Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 200.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS AMBIENT AIR DEGC |
| Mounting Facility Quantity | 2 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-66 |
| Overall Diameter | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Terminal Length | 0.400 INCHES MINIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 20.0 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 |
NSN 5961-01-081-0895 is a Transistor, manufactured by Eldec Aerospace Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-081-0895 has 2 manufacturer part numbers on file: STA9274 (Microsemi Corp - Massachusetts), TR48-01A (Eldec Aerospace Corp).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-176-4602. Verify interchangeability with system specifications before substitution.
Key specifications for TR48-01A: Overall Height: 0.185 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 2. 12 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.