The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-424-9172, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-424-9172 |
| Primary Part Number | 2994850 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 300.0 MAXIMUM BREAKOVER VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Overall Width Across Flats | 0.562 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Current Rating Per Characteristic | 100.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 1 THREADED STUD |
| Thread Series Designator | UNF |
| Power Rating Per Characteristic | 1.0 WATTS MAXIMUM PEAK GATE 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 |
|---|---|
| 2994850 | Semitronics Corp (USA) |
| 2994850 | Microsemi Corp - Massachusetts (USA) |
| 2994850 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MCR1718-5 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 2994850 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5961-00-424-9172 is a Semiconductor Device,thyristor, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-424-9172 has 3 manufacturer part numbers on file: 2994850 (Semitronics Corp), 2994850 (Microsemi Corp - Massachusetts), 2994850 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2994850: Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM BREAKOVER VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION 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.