The Transistor, cataloged under National Stock Number 5961-01-202-2856, 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 National Semiconductor Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-202-2856 |
| Primary Part Number | SE9400 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 2.0 MAXIMUM COLLECTOR TO EMITTER SATURATION VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS CASE DEGC |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-220 |
| Terminal Length | 0.562 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL AND UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT-DARLINGTON CONNECTED |
| Current Rating Per Characteristic | 4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 60.0 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 |
|---|---|
| SE9400 PRIMARY | National Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| 571200031 | 5/9 Secondary reference Concurrent Computer Corporation |
NSN 5961-01-202-2856 is a Transistor, manufactured by National Semiconductor Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-202-2856 has 1 manufacturer part number on file: SE9400 (National Semiconductor Corporation).
Key specifications for SE9400: Overall Height: 0.270 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 2.0 MAXIMUM COLLECTOR TO EMITTER SATURATION VOLTAGE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 1. 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.