The Rectifier,semiconductor Device,u, cataloged under National Stock Number 5961-01-443-7600, 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 Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-443-7600 |
| Primary Part Number | 581R820H04 |
| Item Name | Rectifier,semiconductor Device,u |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown |
| Status | ACTIVE |
| Mounting Method | TERMINAL |
| Absolute Maximum Current Rating Per Characteristic | 1.00 MICROAMPERES REVERSE CURRENT, DC |
| Absolute Maximum Voltage Rating in Volts Per Characteristic | 20.0 REVERSE VOLTAGE, INSTANTANEOUS AND 20.0 WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Material | SILICON |
| Terminal Type and Quantity | 4 UNINSULATED WIRE LEAD |
| Circuit Connection Style Designator | BRIDGE 1 PHASE |
| 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 |
|---|---|
| 581R820H04 | Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown (USA) |
| Reference | Meaning |
|---|---|
| 581R820H04 | 5/1 Secondary reference Solid State Devices, Inc |
| 581R820H04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-443-7600 is a Rectifier,semiconductor Device,u, manufactured by Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-443-7600 has 1 manufacturer part number on file: 581R820H04 (Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown).
Key specifications for 581R820H04: Overall Height: 0.197 INCHES NOMINAL IN; Mounting Method: TERMINAL; Overall Length: 0.310 INCHES NOMINAL IN; Overall Width: 0.197 INCHES NOMINAL IN. 7 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.