The Transistor, cataloged under National Stock Number 5961-01-481-3934, 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 Siliconix Incorporated Div Siliconix. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-481-3934 |
| Primary Part Number | SI9953DY |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Siliconix Incorporated Div Siliconix |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 20.0 MAXIMUM GATE TO SOURCE CUTOFF VOLTAGE |
| Maximum Operating Temp Per Measurement Point | -55.0 CELSIUS JUNCTION AND 150.0 CELSIUS JUNCTION DEGC |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT-DUAL GATE |
| Overall Width Across Flats | 0.149 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Current Rating Per Characteristic | -2.30 AMPERES MINIMUM DRAIN CURRENT AND 2.30 AMPERES MAXIMUM DRAIN CURRENT |
| Material | CERAMIC ENCLOSURE |
| Terminal Type and Quantity | 8 BEAM LEAD |
| Power Rating Per Characteristic | 2.0 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 |
|---|---|
| SI9953DY PRIMARY | Siliconix Incorporated Div Siliconix (USA) |
NSN 5961-01-481-3934 is a Transistor, manufactured by Siliconix Incorporated Div Siliconix, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-481-3934 has 1 manufacturer part number on file: SI9953DY (Siliconix Incorporated Div Siliconix).
Key specifications for SI9953DY: Overall Height: 0.053 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 20.0 MAXIMUM GATE TO SOURCE CUTOFF VOLTAGE; Maximum Operating Temp Per Measurement Point: -55.0 CELSIUS JUNCTION AND 150.0 CELSIUS JUNCTION DEGC; Mounting Method: TERMINAL. 10 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.