The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-401-7643, 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 Pd&e Electronics, Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-401-7643 |
| Primary Part Number | PDR25 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Pd&e Electronics, Llc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 2500.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.187 INCHES NOMINAL IN |
| Terminal Length | 1.250 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 400.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5961-00-401-7643 is a Semiconductor Device,diode, manufactured by Pd&e Electronics, Llc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-401-7643 has 3 manufacturer part numbers on file: 482596 (Thales Six Gts France SAS), PDR25 (Pd&e Electronics, Llc), USR25 (Micro Uspd Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-073-7354. Verify interchangeability with system specifications before substitution.
Key specifications for PDR25: Voltage Rating in Volts Per Characteristic: 2500.0 MAXIMUM REVERSE VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.187 INCHES NOMINAL IN; Terminal Length: 1.250 INCHES MINIMUM IN. 10 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.