The Transistor, cataloged under National Stock Number 5961-01-620-9731, 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 L3harris Technologies, Inc. Dba Harris Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5961-01-620-9731 |
| Primary Part Number | BFR540 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 20.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-236AB, SOT23 |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Features Provided | HIGH POWER AND LOW NOISE |
| Current Rating Per Characteristic | 120.0 MICROAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 PIN |
| Power Rating Per Characteristic | 500.0 WATTS MAXIMUM TOTAL 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 |
|---|---|
| BFR540 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| BFR540,215 | 3/9 Design control — primary reference Digi-Key Corp |
NSN 5961-01-620-9731 is a Transistor, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-620-9731 has 1 manufacturer part number on file: BFR540 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for BFR540: Overall Height: 1.1 MILLIMETERS MAXIMUM MM; Voltage Rating in Volts Per Characteristic: 20.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-236AB, SOT23; 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.