The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-059-4040, 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 21ST Century Paramount Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-059-4040 |
| Primary Part Number | 2N5757 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | 21ST Century Paramount Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 600.0 NOMINAL REPETITIVE PEAK OFF-STATE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 100.0 CELSIUS CASE DEGC |
| Terminal Length | 0.975 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 40.00 AMPERES NOMINAL ON-STATE CURRENT, RMS TOTAL |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 10.0 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 |
|---|---|
| 2N5757 | 21ST Century Paramount Inc (USA) |
| Reference | Meaning |
|---|---|
| 2N5757 | 3/9 Design control — primary reference Harris Corp Semiconductor Sector |
| RELEASE6038 | 5/9 Secondary reference U.S. Government activity |
| 2N5757 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-059-4040 is a Semiconductor Device,thyristor, manufactured by 21ST Century Paramount Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-059-4040 has 1 manufacturer part number on file: 2N5757 (21ST Century Paramount Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-170-1954. Verify interchangeability with system specifications before substitution.
Key specifications for 2N5757: Voltage Rating in Volts Per Characteristic: 600.0 NOMINAL REPETITIVE PEAK OFF-STATE VOLTAGE; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS CASE DEGC; Terminal Length: 0.975 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN; Mounting Method: TERMINAL. 8 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.