The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-221-6525, 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 Semitronics Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-221-6525 |
| Primary Part Number | 2N4148 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Semitronics Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 150.0 MAXIMUM FORWARD VOLTAGE, PEAK AND 150.0 MAXIMUM REVERSE VOLTAGE, PEAK AND 0.8 NOMINAL GATE TRIGGER VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 0.250 AMPERES NOMINAL FORWARD CURRENT, DC AND 1.00 MILLIAMPERES MAXIMUM GATE TRIGGER CURRENT, DC |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2N4148 | Semitronics Corp (USA) |
| Reference | Meaning |
|---|---|
| RELEASE5245 | 5/9 Secondary reference U.S. Government activity |
| 2N4148 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5961-01-221-6525 is a Semiconductor Device,thyristor, manufactured by Semitronics Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-221-6525 has 1 manufacturer part number on file: 2N4148 (Semitronics Corp).
Key specifications for 2N4148: Voltage Rating in Volts Per Characteristic: 150.0 MAXIMUM FORWARD VOLTAGE, PEAK AND 150.0 MAXIMUM REVERSE VOLTAGE, PEAK AND 0.8 NOMINAL GATE TRIGGER VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Terminal Length: 0.500 INCHES MINIMUM IN; Mounting Method: TERMINAL. 8 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 5961-01-221-6525 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.