The Transistor, cataloged under National Stock Number 5961-01-188-6380, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-188-6380 |
| Primary Part Number | 1826-0226 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 15.5 MAXIMUM REVERSE VOLTAGE, PEAK |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-39 |
| Overall Diameter | 0.370 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Criticality Code Justification | FEAT |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 500.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT |
| Function for Which Designed | VOLTAGE REGULATOR |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.210 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 1826-0226 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 2276774-3 | C/1 Advisory reference — outside the item-of-supply concept Honeywell Intl Inc Defense Avionics Systems |
| 1826-0226 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 1826-0226 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 78M12HC | 5/9 Secondary reference Fairchild Semiconductor Corp |
NSN 5961-01-188-6380 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-188-6380 has 1 manufacturer part number on file: 1826-0226 (Keysight Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-223-5025. Verify interchangeability with system specifications before substitution.
Key specifications for 1826-0226: Voltage Rating in Volts Per Characteristic: 15.5 MAXIMUM REVERSE VOLTAGE, PEAK; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-39; Overall Diameter: 0.370 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN. 13 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.