The Transistor, cataloged under National Stock Number 5961-01-124-1893, 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 Advanced Semiconductor,inc. Dba Advanced Semiconductor Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-124-1893 |
| Primary Part Number | 2N6439 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Advanced Semiconductor,inc. Dba Advanced Semiconductor Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 60.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER AND 33.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 4.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS AMBIENT AIR DEGC |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Material | CERAMIC ENCLOSURE |
| Terminal Type and Quantity | 6 RIBBON |
| Power Rating Per Characteristic | 146.0 WATTS MAXIMUM TOTAL 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 |
| Part Number | Manufacturer |
|---|---|
| 2N6439 PRIMARY | Advanced Semiconductor,inc. Dba Advanced Semiconductor Inc (USA) |
| 2N6439 | F.e.m.i. Elettronica Srl (ITA) |
| Reference | Meaning |
|---|---|
| 44097-H/UMIL 70 | 5/9 Secondary reference Microsemi Corp. - Rf Power Products |
| 8157100-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 2N6439 | 5/9 Secondary reference Varian Associates Inc Communications Transistor Div |
| SD1468-H11 | 5/9 Secondary reference Stmicroelectronics Inc |
| 8157100-1 | 5/9 Secondary reference L3 Technologies, Inc. Div Communication Systems-East |
| 2N6439 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
NSN 5961-01-124-1893 is a Transistor, manufactured by Advanced Semiconductor,inc. Dba Advanced Semiconductor Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-124-1893 has 2 manufacturer part numbers on file: 2N6439 (Advanced Semiconductor,inc. Dba Advanced Semiconductor Inc), 2N6439 (F.e.m.i. Elettronica Srl).
Key specifications for 2N6439: Overall Height: 0.280 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 60.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER AND 33.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 4.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 2. 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.