The Transistor, cataloged under National Stock Number 5961-01-086-5052, 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 Northrop Grumman Support Services Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5961-01-086-5052 |
| Primary Part Number | 581R674H01 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS AMBIENT AIR DEGC |
| Mounting Facility Quantity | 2 |
| Terminal Length | 0.440 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT-DARLINGTON CONNECTED |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Test Data Document | 97942-581R674 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 1 CASE AND 2 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 160.0 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 | X |
| Part Number | Manufacturer |
|---|---|
| 581R674H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| CBSE105 | Solitron Devices, Inc. (USA) |
| STA0326 | Microsemi Corp - Massachusetts (USA) |
| Reference | Meaning |
|---|---|
| 581R674H01 | 3/9 Design control — primary reference U.S. Government activity |
| STA0326 | 5/9 Secondary reference Silicon Transistor Corporation Dba Same |
| SJ3873H1 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
NSN 5961-01-086-5052 is a Transistor, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-086-5052 has 3 manufacturer part numbers on file: 581R674H01 (Northrop Grumman Support Services Corp), CBSE105 (Solitron Devices, Inc.), STA0326 (Microsemi Corp - Massachusetts).
Key specifications for 581R674H01: Overall Height: 0.350 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 2. 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.