The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-294-1990, 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 Protek Devices Lp Dba Protek Devices. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5961-01-294-1990 |
| Primary Part Number | 5KP28A |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Protek Devices Lp Dba Protek Devices |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 28.0 NOMINAL REGULATOR VOLTAGE, DC |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | 23 |
| Material | SILICON SEMICONDUCTOR |
| Power Rating Per Characteristic | 5000.0 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 |
|---|---|
| 5KP28A PRIMARY | Protek Devices Lp Dba Protek Devices (USA) |
| 5KP28A | Surge Components Inc (USA) |
| 5KP28A | Microsemi Corp. - Rfis Diode Solutions Dba Rfis Security Solutions Div Rfis Security Solutions (USA) |
| 5KP28A | Vishay Sa (FRA) |
| Reference | Meaning |
|---|---|
| 5KP28A | 5/9 Secondary reference General Semiconductor Industries Inc |
NSN 5961-01-294-1990 is a Semiconductor Device,diode, manufactured by Protek Devices Lp Dba Protek Devices, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-294-1990 has 4 manufacturer part numbers on file: 5KP28A (Protek Devices Lp Dba Protek Devices), 5KP28A (Surge Components Inc), 5KP28A (Microsemi Corp. - Rfis Diode Solutions Dba Rfis Security Solutions Div Rfis Security Solutions), 5KP28A (Vishay Sa).
Key specifications for 5KP28A: Voltage Rating in Volts Per Characteristic: 28.0 NOMINAL REGULATOR VOLTAGE, DC; Joint Electronic Device Engineering Council/jedec/case Outline Designation: 23; Material: SILICON SEMICONDUCTOR; Power Rating Per Characteristic: 5000.0 WATTS MAXIMUM TOTAL POWER DISSIPATION. 4 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.