The Transistor, cataloged under National Stock Number 5961-01-182-9721, 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 Raytheon Company. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-182-9721 |
| Primary Part Number | 645797-901 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 10.0 MINIMUM COLLECTOR TO BASE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS AMBIENT AIR DEGC |
| Terminal Length | 0.075 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MINIMUM COLLECTOR CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 2 PIN |
| Terminal Circle Diameter | 0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN |
| Power Rating Per Characteristic | 500.0 MILLIWATTS MINIMUM 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 | X |
| Part Number | Manufacturer |
|---|---|
| 645797-901 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| MRF559 | 5/1 Secondary reference Freescale Semiconductor, Inc. |
NSN 5961-01-182-9721 is a Transistor, manufactured by Raytheon Company, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-182-9721 has 1 manufacturer part number on file: 645797-901 (Raytheon Company).
Key specifications for 645797-901: Voltage Rating in Volts Per Characteristic: 10.0 MINIMUM COLLECTOR TO BASE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC; Terminal Length: 0.075 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Mounting Method: TERMINAL. 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.