The Transistor, cataloged under National Stock Number 5961-01-183-6231, 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 Micro Power Systems Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5961-01-183-6231 |
| Primary Part Number | MP3955 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Micro Power Systems Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 25.0 MAXIMUM GATE TO SOURCE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Current Rating Per Characteristic | 0.50 MILLIAMPERES MINIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT AND 5.00 MILLIAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT |
| Power Rating Per Characteristic | 400.0 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 |
|---|---|
| 616AS227 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| MP3955 PRIMARY | Micro Power Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| FM3955 | 5/9 Secondary reference Micro Power Systems Inc |
| 46832-0000 | 5/9 Secondary reference Uson Lp. |
NSN 5961-01-183-6231 is a Transistor, manufactured by Micro Power Systems Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-183-6231 has 2 manufacturer part numbers on file: 616AS227 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), MP3955 (Micro Power Systems Inc).
Key specifications for MP3955: Voltage Rating in Volts Per Characteristic: 25.0 MAXIMUM GATE TO SOURCE VOLTAGE; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Semiconductor Material: SILICON; Internal Configuration: FIELD EFFECT. 6 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.