The Transistor, cataloged under National Stock Number 5961-01-282-8319, 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 Solid State Devices, Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-282-8319 |
| Primary Part Number | SFF158 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Solid State Devices, Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 200.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 20.0 MAXIMUM GATE TO SOURCE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-61 ISOLATED |
| Mounting Method | THREADED STUD(S) |
| Criticality Code Justification | FEAT |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Overall Width Across Flats | 0.570 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Current Rating Per Characteristic | 18.00 AMPERES MAXIMUM DRAIN CURRENT AND 18.00 AMPERES MAXIMUM SOURCE CURRENT |
| Test Data Document | 19200-12325158 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 | 3 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Nuclear Hardness Critical Feature | HARDENED |
| Power Rating Per Characteristic | 125.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | M |
| Part Number | Manufacturer |
|---|---|
| 12325158 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| SFF158 PRIMARY | Solid State Devices, Inc (USA) |
| SNF1084 PRIMARY | Microsemi Corp - Massachusetts (USA) |
| Reference | Meaning |
|---|---|
| 94-1279 | 5/9 Secondary reference International Rectifier Corporation |
| SNF1084 | 5/9 Secondary reference Silicon Transistor Corporation Dba Same |
| NH12325158 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
NSN 5961-01-282-8319 is a Transistor, manufactured by Solid State Devices, Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-282-8319 has 3 manufacturer part numbers on file: 12325158 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), SFF158 (Solid State Devices, Inc), SNF1084 (Microsemi Corp - Massachusetts).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-577-2669, 2540-01-680-2566. Verify interchangeability with system specifications before substitution.
Key specifications for SFF158: Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 20.0 MAXIMUM GATE TO SOURCE VOLTAGE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-61 ISOLATED. 16 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.
NSN 5961-01-282-8319 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.