The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-022-9194, 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 Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-022-9194 |
| Primary Part Number | PK1289 |
| Item Name | Semiconductor Devices,unitized |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN ALL TRANSISTOR |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Method | PRESS FIT |
| Semiconductor Material | SILICON ALL TRANSISTOR |
| Component Name and Quantity | 4 TRANSISTOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR |
| Function for Which Designed | SWITCHING |
| Precious Material and Location | LEADS SILVER OR LEADS PLATED GOLD |
| Test Data Document | 80063-SM-A-742219 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | GLASS OR CERAMIC ENCLOSURE |
| Terminal Type and Quantity | 14 RIBBON |
| Power Rating Per Characteristic | 800.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION ALL TRANSISTOR |
| 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 |
|---|---|
| PK1289 | Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown (USA) |
| Reference | Meaning |
|---|---|
| SM-A-742219-1 | 5/2 Secondary reference U.S. Government activity |
| MHQH4013 | 5/1 Secondary reference Freescale Semiconductor, Inc. |
| SA2041 | 5/9 Secondary reference Raytheon Company Div Corp |
| SM-A-742219 | 3/2 Design control — primary reference U.S. Government activity |
| SP3725QD | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5961-01-022-9194 is a Semiconductor Devices,unitized, manufactured by Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-022-9194 has 1 manufacturer part number on file: PK1289 (Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-058-9390, 2910-01-334-8663. Verify interchangeability with system specifications before substitution.
Key specifications for PK1289: Overall Height: 0.180 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN ALL TRANSISTOR; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Method: PRESS FIT. 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.