The Transistor, cataloged under National Stock Number 5961-00-902-3444, 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 Microsemi Corp - Massachusetts. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-902-3444 |
| Primary Part Number | NSE7505 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp - Massachusetts |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 55.0 MAXIMUM BASE TO EMITTER VOLTAGE, DC AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 15.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 0.875 INCHES MAXIMUM IN |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Nominal Thread Size | 0.312 INCHES IN |
| Current Rating Per Characteristic | 7.50 AMPERES MAXIMUM BASE CURRENT, DC AND 20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Power Rating Per Characteristic | 200.0 MILLIWATTS MAXIMUM TOTAL POWER 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 |
|---|---|
| NSE7505 | Microsemi Corp - Massachusetts (USA) |
| SES459-F04 | Semitronics Corp (USA) |
| STA8887 | Silicon Transistor Corporation Dba Same (USA) |
| Reference | Meaning |
|---|---|
| SPC3009 | 5/9 Secondary reference Solid Power Corp |
| SPT405 | 5/9 Secondary reference Syntar Industries Inc |
| 320C034H11 | 5/9 Secondary reference Westinghouse Electric Corp Semiconductor Div |
| 5961PL1279154 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| SPC3009 | 5/9 Secondary reference Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave |
| SM-B-450422 | 3/2 Design control — primary reference U.S. Government activity |
| 320C034H11 | 5/9 Secondary reference Powerex, Inc. |
NSN 5961-00-902-3444 is a Transistor, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-902-3444 has 3 manufacturer part numbers on file: NSE7505 (Microsemi Corp - Massachusetts), SES459-F04 (Semitronics Corp), STA8887 (Silicon Transistor Corporation Dba Same).
Key specifications for NSE7505: Voltage Rating in Volts Per Characteristic: 55.0 MAXIMUM BASE TO EMITTER VOLTAGE, DC AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 15.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; 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.