The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-401-0502, 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 Unison Industries Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-401-0502 |
| Primary Part Number | 28611 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Maximum Operating Temp Per Measurement Point | 190.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Overall Width Across Flats | 0.437 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Current Rating Per Characteristic | 12.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 THREADED STUD AND 1 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 28611 | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| MR1121 | C/1 Advisory reference — outside the item-of-supply concept Datapoint Corp |
| MR1121 | C/1 Advisory reference — outside the item-of-supply concept On Semiconductor Corporation |
| 28611 | 5/9 Secondary reference U.S. Government activity |
| MR1121 | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
NSN 5961-00-401-0502 is a Semiconductor Device,diode, manufactured by Unison Industries Llc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-401-0502 has 1 manufacturer part number on file: 28611 (Unison Industries Llc).
7 possible matches (shared part number, not a government interchangeability claim): 1680-00-474-1280, 5310-00-731-6615, 5961-00-875-7464. Verify interchangeability with system specifications before substitution.
Key specifications for 28611: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REVERSE VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 190.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 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.