The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-181-2236, 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 Micro Quality Semiconductor Inc Sub of Microsemi Corp. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-181-2236 |
| Primary Part Number | VSK540 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Micro Quality Semiconductor Inc Sub of Microsemi Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 40.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE AND 40.0 NOMINAL REVERSE VOLTAGE, PEAK AND 28.0 NOMINAL REVERSE VOLTAGE, TOTAL RMS AND 40.0 NOMINAL WORKING PEAK REVERSE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.190 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Terminal Length | 2.360 INCHES MINIMUM AND 2.380 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 500.00 AMPERES NOMINAL PEAK FORWARD SURGE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| 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 |
|---|---|
| VSK540 PRIMARY | Micro Quality Semiconductor Inc Sub of Microsemi Corp (USA) |
NSN 5961-01-181-2236 is a Semiconductor Device,diode, manufactured by Micro Quality Semiconductor Inc Sub of Microsemi Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-181-2236 has 1 manufacturer part number on file: VSK540 (Micro Quality Semiconductor Inc Sub of Microsemi Corp).
Key specifications for VSK540: Voltage Rating in Volts Per Characteristic: 40.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE AND 40.0 NOMINAL REVERSE VOLTAGE, PEAK AND 28.0 NOMINAL REVERSE VOLTAGE, TOTAL RMS AND 40.0 NOMINAL WORKING PEAK REVERSE VOLTAGE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.190 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN; Terminal Length: 2.360 INCHES MINIMUM AND 2.380 INCHES MAXIMUM 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.