The Transistor, cataloged under National Stock Number 5961-01-030-8064, 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 Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-030-8064 |
| Primary Part Number | 2N5657 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 375.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 350.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 165.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 250.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE6050 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 3 PIN |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 20.0 WATTS MAXIMUM TOTAL DEVICE 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 |
|---|---|
| 2N5657 PRIMARY | Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 2N5657 | 5/9 Secondary reference U.S. Government activity |
| RELEASE6050 | 5/9 Secondary reference U.S. Government activity |
| 2N5657 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
NSN 5961-01-030-8064 is a Transistor, manufactured by Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-030-8064 has 1 manufacturer part number on file: 2N5657 (Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-061-1588. Verify interchangeability with system specifications before substitution.
Key specifications for 2N5657: Overall Height: 0.070 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 375.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 350.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 165.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1. 11 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.