The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-043-7071, 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 Microsemi Corp - Massachusetts Div Microsemi - Lowell. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-043-7071 |
| Primary Part Number | UM4001D |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp - Massachusetts Div Microsemi - Lowell |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM BREAKDOWN VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 100.0 CELSIUS AMBIENT AIR DEGC |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 0.125 INCHES NOMINAL IN |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.125 INCHES IN |
| Current Rating Per Characteristic | 10.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC |
| Material | SILICON SEMICONDUCTOR |
| Material | CERAMIC ENCLOSURE |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 THREADED STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Power Rating Per Characteristic | 25.0 WATTS MAXIMUM FORWARD POWER DISSIPATION, AVERAGE |
| 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 |
|---|---|
| UM4001D PRIMARY | Microsemi Corp - Massachusetts Div Microsemi - Lowell (USA) |
| Reference | Meaning |
|---|---|
| UM4001D | 5/9 Secondary reference Micro Uspd Inc |
NSN 5961-01-043-7071 is a Semiconductor Device,diode, manufactured by Microsemi Corp - Massachusetts Div Microsemi - Lowell, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-043-7071 has 1 manufacturer part number on file: UM4001D (Microsemi Corp - Massachusetts Div Microsemi - Lowell).
Key specifications for UM4001D: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKDOWN VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 1; Overall Diameter: 0.125 INCHES NOMINAL IN. 13 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.