The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-276-9984, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-276-9984 |
| Primary Part Number | 2938688-5 |
| 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 | 1400.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 1400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 1500.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 5.0 MAXIMUM PEAK NEGATIVE GATE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Overall Diameter | 2.200 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 7000.00 AMPERES MAXIMUM PEAK NONREPETITIVE SURGE CURRENT AND 4.00 AMPERES MAXIMUM PEAK POSITIVE GATE CURRENT |
| Specification/standard Data | 10001-2938688-5 MANUFACTURERS SPECIFICATION CONTROL |
| Function for Which Designed | REVERSE BLOCKING |
| Terminal Type and Quantity | 1 QUICK DISCONNECT, MALE AND 1 TURRET AND 2 INSULATED WIRE LEAD W/TERMINAL LUG |
| Power Rating Per Characteristic | 3.0 WATTS MAXIMUM AVERAGE GATE POWER DISSIPATION AND 16.0 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 |
|---|---|
| 2938688-5 | Powerex, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C378PCX30 | 3/9 Design control — primary reference Powerex, Inc. |
| 2938688 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 2938688-5 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| T72H143564DN00AS14 | 5/1 Secondary reference Powerex, Inc. |
NSN 5961-01-276-9984 is a Semiconductor Device,thyristor, manufactured by Powerex, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-276-9984 has 1 manufacturer part number on file: 2938688-5 (Powerex, Inc.).
Key specifications for 2938688-5: Voltage Rating in Volts Per Characteristic: 1400.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 1400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 1500.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 5.0 MAXIMUM PEAK NEGATIVE GATE VOLTAGE; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2; Overall Diameter: 2.200 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN. 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.