The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-220-9916, 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 Powerex, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-220-9916 |
| Primary Part Number | C156D |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Powerex, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 400.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 480.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE |
| 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 | 1.063 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.500 INCHES IN |
| Current Rating Per Characteristic | 110.00 AMPERES MAXIMUM ON-STATE CURRENT, RMS TOTAL |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 1 THREADED STUD |
| Thread Series Designator | UNF |
| Power Rating Per Characteristic | 2.0 WATTS MAXIMUM AVERAGE 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 |
|---|---|
| C156D PRIMARY | Powerex, Inc. (USA) |
| 846-C15-6D | Ametek Programmable Power, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C156D | 5/9 Secondary reference General Electric Co Semi-Conductor Products Dept |
NSN 5961-01-220-9916 is a Semiconductor Device,thyristor, manufactured by Powerex, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-220-9916 has 2 manufacturer part numbers on file: C156D (Powerex, Inc.), 846-C15-6D (Ametek Programmable Power, Inc.).
Key specifications for C156D: Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 480.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE; 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.