The Transistor, cataloged under National Stock Number 5961-01-007-2228, 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 Engineered Magnetics, Inc. Dba Engineered Magnetics. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-007-2228 |
| Primary Part Number | 728254-1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Engineered Magnetics, Inc. Dba Engineered Magnetics |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 325.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 300.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Overall Diameter | 0.875 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 30.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 175.0 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 |
|---|---|
| 728254-1 PRIMARY | Engineered Magnetics, Inc. Dba Engineered Magnetics (USA) |
| 196SET246 | Solitron Devices, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SVT5007C | 5/9 Secondary reference Trw Electronics and Defense Sector Rf Devices |
| 320C209H10 | 5/9 Secondary reference Westinghouse Electric Corp Semiconductor Div |
| STD1040 | 5/9 Secondary reference Silicon Transistor Corporation Dba Same |
| SVT300-10 | C/1 Advisory reference — outside the item-of-supply concept Trw Electronics and Defense Sector Rf Devices |
| PT6905C | 5/9 Secondary reference Trw Electronics and Defense Sector Rf Devices |
| PT6905C | C/1 Advisory reference — outside the item-of-supply concept Bell-Metric Corp |
| 715761H1 | 5/9 Secondary reference Engineered Magnetics, Inc. Dba Engineered Magnetics |
NSN 5961-01-007-2228 is a Transistor, manufactured by Engineered Magnetics, Inc. Dba Engineered Magnetics, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-007-2228 has 2 manufacturer part numbers on file: 728254-1 (Engineered Magnetics, Inc. Dba Engineered Magnetics), 196SET246 (Solitron Devices, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-136-1982. Verify interchangeability with system specifications before substitution.
Key specifications for 728254-1: Voltage Rating in Volts Per Characteristic: 325.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 300.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2; Overall Diameter: 0.875 INCHES MAXIMUM IN. 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.