The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-212-0296, 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 Siliconix Incorporated Div Siliconix. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-212-0296 |
| Primary Part Number | ST183S04PFL0 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Siliconix Incorporated Div Siliconix |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 300.0 MAXIMUM NOMINAL REGULATOR VOLTAGE |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-93 |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 1.227 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.750 INCHES IN |
| Current Rating Per Characteristic | 260.00 AMPERES MAXIMUM ON-STATE CURRENT, RMS TOTAL AND 70.00 AMPERES MAXIMUM ON-STATE CURRENT, AVERAGE |
| Terminal Type and Quantity | 3 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 |
|---|---|
| ST183S04PFL0 | Siliconix Incorporated Div Siliconix (USA) |
| Reference | Meaning |
|---|---|
| 151RM30 | 5/9 Secondary reference International Rectifier Corporation |
| ST183S04PFL0 | 3/9 Design control — primary reference International Rectifier Corporation |
NSN 5961-01-212-0296 is a Semiconductor Device,thyristor, manufactured by Siliconix Incorporated Div Siliconix, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-212-0296 has 1 manufacturer part number on file: ST183S04PFL0 (Siliconix Incorporated Div Siliconix).
Key specifications for ST183S04PFL0: Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM NOMINAL REGULATOR VOLTAGE; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-93; 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.