The Transistor, cataloged under National Stock Number 5961-01-259-5550, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-259-5550 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Maximum Operating Temp Per Measurement Point | 165.0 CELSIUS AMBIENT AIR DEGC |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-202 |
| Terminal Length | 0.495 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES NOMINAL COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE6587 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 3 PIN |
| Power Rating Per Characteristic | 2.0 WATTS MAXIMUM COLLECTOR 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 |
| Reference | Meaning |
|---|---|
| RELEASE6587 | 5/9 Secondary reference U.S. Government activity |
| 2N6554 | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
| 2N6554 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-259-5550 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
Key specifications for 5961-01-259-5550: Overall Height: 0.178 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Maximum Operating Temp Per Measurement Point: 165.0 CELSIUS AMBIENT AIR DEGC; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-202. 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.