The Transistor, cataloged under National Stock Number 5961-01-135-8288, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-135-8288 |
| Primary Part Number | 1855-0270 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 4.0 MAXIMUM GATE TO SOURCE THRESHOLD VOLTAGE |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-92 |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Current Rating Per Characteristic | 5.00 MILLIAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| 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 |
|---|---|
| SF52043 | National Semiconductor Corporation (USA) |
| 1855-0270 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| SPF970 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 1855-0270 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 1855-0270 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5961-01-135-8288 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-135-8288 has 2 manufacturer part numbers on file: SF52043 (National Semiconductor Corporation), 1855-0270 (Keysight Technologies Inc).
Key specifications for 1855-0270: Overall Height: 0.165 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 4.0 MAXIMUM GATE TO SOURCE THRESHOLD VOLTAGE; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-92; Terminal Length: 0.500 INCHES MINIMUM IN. 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.