The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-564-4533, 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 Fairchild Semiconductor Corp. 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. 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 | 5961-01-564-4533 |
| Primary Part Number | MMBD4148 |
| Item Name | Semiconductor Devices,unitized |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Fairchild Semiconductor Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE AND 1.0 MAXIMUM FORWARD VOLTAGE, DC SINGLE SEMICONDUCTOR |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Mounting Method | TERMINAL |
| Component Name and Quantity | 1 SEMICONDUCTOR DEVICE DIODE |
| Current Rating Per Characteristic | 200.00 MILLIAMPERES NOMINAL FORWARD CURRENT, AVERAGE SINGLE SEMICONDUCTOR |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Power Rating Per Characteristic | 350.0 MILLIWATTS NOMINAL OFF-STATE POWER DISSIPATION SINGLE SEMICONDUCTOR |
| 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 |
|---|---|
| MMBD4148 PRIMARY | Fairchild Semiconductor Corp (USA) |
NSN 5961-01-564-4533 is a Semiconductor Devices,unitized, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-564-4533 has 1 manufacturer part number on file: MMBD4148 (Fairchild Semiconductor Corp).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-566-8487. Verify interchangeability with system specifications before substitution.
Key specifications for MMBD4148: Voltage Rating in Volts Per Characteristic: 100.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE AND 1.0 MAXIMUM FORWARD VOLTAGE, DC SINGLE SEMICONDUCTOR; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Mounting Method: TERMINAL; Component Name and Quantity: 1 SEMICONDUCTOR DEVICE DIODE. 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.