The Transistor, cataloged under National Stock Number 5961-01-087-5889, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-087-5889 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 400.0 MAXIMUM BREAKOVER VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 1.062 INCHES NOMINAL IN |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 1.219 INCHES NOMINAL IN |
| Nominal Thread Size | 0.500 INCHES IN |
| Current Rating Per Characteristic | 4.00 MILLIAMPERES MAXIMUM REVERSE CURRENT, TOTAL RMS |
| Terminal Type and Quantity | 1 UNINSULATED WIRE LEAD AND 1 THREADED STUD |
| Thread Series Designator | UNF |
| Electrode Internally-Electrically Connected to Case | ANODE |
| Power Rating Per Characteristic | 5.0 WATTS MAXIMUM PEAK GATE 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 |
| Reference | Meaning |
|---|---|
| S436A102H06 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1538A54H04 | 5/9 Secondary reference U.S. Government activity |
| 1538A55H06 | 3/9 Design control — primary reference U.S. Government activity |
| 1538A54H04 | C/1 Advisory reference — outside the item-of-supply concept Westinghouse Electric Corp Control Business Unit |
NSN 5961-01-087-5889 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
Key specifications for 5961-01-087-5889: Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM BREAKOVER VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Overall Diameter: 1.062 INCHES NOMINAL IN. 15 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.