The Transistor, cataloged under National Stock Number 5961-01-575-3148, 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 Vishay Intertechnology, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5961-01-575-3148 |
| Primary Part Number | IRF840PBF |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Vishay Intertechnology, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 500.0 MAXIMUM DRAIN TO SOURCE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 5.10 AMPERES MINIMUM DRAIN CURRENT AND 8.00 AMPERES MAXIMUM DRAIN CURRENT |
| Terminal Type and Quantity | 3 PIN |
| Power Rating Per Characteristic | 125.0 WATTS NOMINAL OFF-STATE POWER DISSIPATION |
| 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 |
|---|---|
| IRF840PBF PRIMARY | Vishay Intertechnology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| IRF840PBF | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-575-3148 is a Transistor, manufactured by Vishay Intertechnology, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-575-3148 has 1 manufacturer part number on file: IRF840PBF (Vishay Intertechnology, Inc.).
Key specifications for IRF840PBF: Voltage Rating in Volts Per Characteristic: 500.0 MAXIMUM DRAIN TO SOURCE VOLTAGE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Mounting Method: TERMINAL. 9 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.