The Transistor, cataloged under National Stock Number 5961-01-229-0347, 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 Stmicroelectronics Inc. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-229-0347 |
| Primary Part Number | BUX48A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Stmicroelectronics Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 1000.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER AND 450.0 MAXIMUM COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-204AA |
| Mounting Method | UNTHREADED HOLE(S) |
| Criticality Code Justification | FEAT |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 2 PIN AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 175.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| BUX48A PRIMARY | Stmicroelectronics Inc (USA) |
| BUX48A | Stmicroelectronics Inc (USA) |
| Reference | Meaning |
|---|---|
| BUX48A | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| BUX48A | C/1 Advisory reference — outside the item-of-supply concept On Semiconductor Corporation |
| FBN-L-217 | 5/9 Secondary reference U.S. Government activity |
| 103-453-001 | 5/9 Secondary reference Winarick a R Inc |
| BUX48A | 5/9 Secondary reference Texas Instruments Incorporated |
NSN 5961-01-229-0347 is a Transistor, manufactured by Stmicroelectronics Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-229-0347 has 2 manufacturer part numbers on file: BUX48A (Stmicroelectronics Inc), BUX48A (Stmicroelectronics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-302-3928. Verify interchangeability with system specifications before substitution.
Key specifications for BUX48A: Overall Height: 0.450 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 1000.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER AND 450.0 MAXIMUM COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION 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.
NSN 5961-01-229-0347 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.