The Transistor, cataloged under National Stock Number 5961-01-256-6743, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-256-6743 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Terminal Length | 0.602 INCHES MINIMUM IN |
| Mounting Method | TERMINAL AND UNTHREADED HOLE(S) |
| Criticality Code Justification | FEAT |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 8.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| BD140 | 3/9 Design control — primary reference Philips Semiconductors Inc |
| 425-2540 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 417/4/01956 | 5/9 Secondary reference G E C Marconi Defence Systems Ltd |
| 417/4/04579 | 5/1 Secondary reference Bae Systems Australia Pty Ltd |
| BD140 | 5/9 Secondary reference Philips Circuit Assemblies |
| BD140 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| BD140 | C/1 Advisory reference — outside the item-of-supply concept Siemens Corp |
| BD140 | 5/9 Secondary reference Stmicroelectronics Inc |
NSN 5961-01-256-6743 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
Key specifications for 5961-01-256-6743: Overall Height: 0.110 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1. 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.