The Transistor, cataloged under National Stock Number 5961-01-442-2080, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-442-2080 |
| Primary Part Number | 1854-1055 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 12.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 35.00 AMPERES NOMINAL COLLECTOR CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 PRINTED CIRCUIT |
| Power Rating Per Characteristic | 200.0 MILLIWATTS 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 |
|---|---|
| 1854-1055/4A | Keysight Technologies Inc (USA) |
| 1854-1055 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| BFR-93 | 5/9 Secondary reference Philips Circuit Assemblies |
| 1854-1055 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1854-1055/4A | 5/9 Secondary reference Keysight Technologies, Inc. |
| 1854-1055/4A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1854-1055 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5961-01-442-2080 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-442-2080 has 2 manufacturer part numbers on file: 1854-1055/4A (Keysight Technologies Inc), 1854-1055 (Keysight Technologies Inc).
Key specifications for 1854-1055: Overall Height: 1.11 MILLIMETERS MAXIMUM MM; Voltage Rating in Volts Per Characteristic: 12.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Mounting Method: TERMINAL; Semiconductor Material: SILICON. 8 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.