The Transistor, cataloged under National Stock Number 5961-01-082-1979, 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 Keysight Technologies Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-082-1979 |
| Primary Part Number | 1853-0409 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-220 |
| Mounting Method | UNTHREADED HOLE(S) |
| Criticality Code Justification | FEAT |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT-DARLINGTON CONNECTED |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Power Rating Per Characteristic | 60.0 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 1853-0409 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 1853-0409 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| SJE1957 | 5/1 Secondary reference Freescale Semiconductor, Inc. |
| 67104 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 1853-0409 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5961-01-082-1979 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-082-1979 has 1 manufacturer part number on file: 1853-0409 (Keysight Technologies Inc).
Key specifications for 1853-0409: Overall Height: 0.190 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-220. 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.