The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-972-9583, 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 Texas Instruments Incorporated. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-972-9583 |
| Primary Part Number | W89 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 50.0 MAXIMUM ON VOLTAGE, FORWARD VOLTAGE DROP, DC AND 50.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS CASE DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.440 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Current Rating Per Characteristic | 3.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 1 CASE |
| 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 |
|---|---|
| W89 | Texas Instruments Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 925276-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-00-972-9583 is a Semiconductor Device,thyristor, manufactured by Texas Instruments Incorporated, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-972-9583 has 1 manufacturer part number on file: W89 (Texas Instruments Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-645-3785. Verify interchangeability with system specifications before substitution.
Key specifications for W89: Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM ON VOLTAGE, FORWARD VOLTAGE DROP, DC AND 50.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 12 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.