The Rectifier,semiconductor Device,u, cataloged under National Stock Number 5961-01-048-1278, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-048-1278 |
| Item Name | Rectifier,semiconductor Device,u |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Mounting Method | UNTHREADED HOLE(S) |
| Absolute Maximum Current Rating Per Characteristic | 150.00 AMPERES PEAK FORWARD SURGE CURRENT |
| Specification/standard Data | 81349-MIL-PRF-19500-446 GOVERNMENT SPECIFICATION |
| Absolute Maximum Voltage Rating in Volts Per Characteristic | 400.0 WORKING PEAK REVERSE VOLTAGE |
| Operating Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Material | SILICON |
| Terminal Type and Quantity | 4 TURRET |
| Circuit Connection Style Designator | BRIDGE 1 PHASE |
| 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 |
|---|---|
| JANSPC25 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-19500/446 | 4/1 Identification reference U.S. Government activity |
| SPC-25JAN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 903570 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
| SPC25 | C/1 Advisory reference — outside the item-of-supply concept Solitron Devices, Inc. |
NSN 5961-01-048-1278 is a Rectifier,semiconductor Device,u, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5961-01-580-6553. Verify interchangeability with system specifications before substitution.
Key specifications for 5961-01-048-1278: Overall Height: 0.820 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN; Mounting Method: UNTHREADED HOLE(S); Overall Length: 1.104 INCHES MINIMUM AND 1.144 INCHES MAXIMUM IN; Overall Width: 1.104 INCHES MINIMUM AND 1.144 INCHES MAXIMUM IN. 8 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.