The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-446-4553, 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 Leonardo S.p.a. - Electronics Division - Defence Business Area. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5961-01-446-4553 |
| Primary Part Number | 840DR0103 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 120.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 THREADED STUD |
| 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 |
|---|---|
| 840DR0103 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 40284-1 | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA) |
| Reference | Meaning |
|---|---|
| 60HQ100 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-446-4553 is a Semiconductor Device,diode, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-446-4553 has 2 manufacturer part numbers on file: 840DR0103 (Leonardo S.p.a. - Electronics Division - Defence Business Area), 40284-1 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).
Key specifications for 840DR0103: Voltage Rating in Volts Per Characteristic: 120.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S); Overall Length: 1.438 INCHES NOMINAL IN. 5 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.