The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-170-2175, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-170-2175 |
| Primary Part Number | 5189201 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 600.0 MAXIMUM OFF-STATE VOLTAGE, PEAK |
| Maximum Operating Temp Per Measurement Point | 100.0 CELSIUS AMBIENT AIR 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 | 0.556 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 1 THREADED STUD |
| 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 |
|---|---|
| 5189201 PRIMARY | Naval Sea Systems Command (USA) |
| SC250/1M | Semitronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 5961PL0986525 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| SC250M2R272 | 5/9 Secondary reference Powerex, Inc. |
| T4121M | 5/9 Secondary reference Renesas Electronics America Inc |
| SC250M23 | 5/9 Secondary reference Powerex, Inc. |
NSN 5961-01-170-2175 is a Semiconductor Device,thyristor, manufactured by Naval Sea Systems Command, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-170-2175 has 2 manufacturer part numbers on file: 5189201 (Naval Sea Systems Command), SC250/1M (Semitronics Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-351-7116, 2925-01-355-5166. Verify interchangeability with system specifications before substitution.
Key specifications for 5189201: Voltage Rating in Volts Per Characteristic: 600.0 MAXIMUM OFF-STATE VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 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.