The Transistor, cataloged under National Stock Number 5961-01-261-4377, 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 Texas Instruments Incorporated. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-261-4377 |
| Primary Part Number | BD647 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN |
| Maximum Operating Temp Per Measurement Point | 165.0 CELSIUS JUNCTION DEGC |
| Terminal Length | 0.500 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 150.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 PRINTED CIRCUIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BD647 PRIMARY | Texas Instruments Incorporated (USA) |
NSN 5961-01-261-4377 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-261-4377 has 1 manufacturer part number on file: BD647 (Texas Instruments Incorporated).
Key specifications for BD647: Overall Height: 0.140 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN; Maximum Operating Temp Per Measurement Point: 165.0 CELSIUS JUNCTION DEGC; Terminal Length: 0.500 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN. 8 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 5961-01-261-4377 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.