The Transistor, cataloged under National Stock Number 5961-01-545-8517, 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 Fairchild Semiconductor Corporation. Government technical data includes 9 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 | 5961-01-545-8517 |
| Primary Part Number | MMBT5179 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Fairchild Semiconductor Corporation |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 12.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC |
| Terminal Length | 0.5 MILLIMETERS NOMINAL MM |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 2 PIN |
| Terminal Circle Diameter | 0.3 MILLIMETERS MINIMUM AND 0.5 MILLIMETERS MAXIMUM MM |
| Power Rating Per Characteristic | 1.8 MILLIWATTS 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 | X |
| Part Number | Manufacturer |
|---|---|
| MMBT5179 PRIMARY | Fairchild Semiconductor Corporation (USA) |
NSN 5961-01-545-8517 is a Transistor, manufactured by Fairchild Semiconductor Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-545-8517 has 1 manufacturer part number on file: MMBT5179 (Fairchild Semiconductor Corporation).
Key specifications for MMBT5179: Voltage Rating in Volts Per Characteristic: 12.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC; Terminal Length: 0.5 MILLIMETERS NOMINAL MM; Mounting Method: TERMINAL; Semiconductor Material: SILICON. 9 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.