The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-003-2623, 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 Vishay Intertechnology, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-003-2623 |
| Primary Part Number | 50RIA100 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Vishay Intertechnology, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 1000.0 NOMINAL REPETITIVE PEAK OFF-STATE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.224 INCHES IN |
| Current Rating Per Characteristic | 80.00 AMPERES NOMINAL REPETITIVE PEAK ON-STATE CURRENT |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Electrode Internally-Electrically Connected to Case | ANODE |
| 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 |
|---|---|
| 50RIA100 PRIMARY | Vishay Intertechnology, Inc. (USA) |
| SES50R1A100 | Semitronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 50RCS100 | 5/9 Secondary reference International Rectifier Corporation |
| 50R1A100 | 5/9 Secondary reference International Rectifier Corporation |
NSN 5961-01-003-2623 is a Semiconductor Device,thyristor, manufactured by Vishay Intertechnology, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-003-2623 has 2 manufacturer part numbers on file: 50RIA100 (Vishay Intertechnology, Inc.), SES50R1A100 (Semitronics Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-110-4782, 5961-01-375-5459. Verify interchangeability with system specifications before substitution.
Key specifications for 50RIA100: Overall Height: 0.565 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 1000.0 NOMINAL REPETITIVE PEAK OFF-STATE VOLTAGE; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1. 11 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.