The Transistor, cataloged under National Stock Number 5961-00-554-8340, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-554-8340 |
| Primary Part Number | 581R675H02 |
| 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 | 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Terminal Length | 0.460 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT-DARLINGTON CONNECTED |
| Current Rating Per Characteristic | 40.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC |
| Test Data Document | 97942-581R675 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 | 2 PIN AND 1 CASE |
| 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 |
|---|---|
| STA9434 | Silicon Transistor Corporation Dba Same (USA) |
| CBSE109 | Solitron Devices, Inc. (USA) |
| 581R675H02 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| SJ3874H2 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 581R675H02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5961-00-554-8340 is a Transistor, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-554-8340 has 3 manufacturer part numbers on file: STA9434 (Silicon Transistor Corporation Dba Same), CBSE109 (Solitron Devices, Inc.), 581R675H02 (Northrop Grumman Support Services Corp).
Key specifications for 581R675H02: Overall Height: 0.375 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 12 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.