The Transistor, cataloged under National Stock Number 5961-00-491-9015, 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 Thales Usa, Inc. Div Air Mobility Solutions ("ams"). 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-491-9015 |
| Primary Part Number | 048681-0001 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 15.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE |
| Overall Diameter | 0.219 INCHES NOMINAL IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 20.00 MILLIAMPERES MAXIMUM DRAIN CURRENT AND 20.00 MILLIAMPERES MAXIMUM GATE CURRENT |
| Specification/standard Data | 80131-RELEASE5181 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 4 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Power Rating Per Characteristic | 300.0 MILLIWATTS MAXIMUM COLLECTOR 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 |
|---|---|
| 048681-0001 | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| Reference | Meaning |
|---|---|
| 3N125 | 5/1 Secondary reference Freescale Semiconductor, Inc. |
| 3N125 | 3/9 Design control — primary reference U.S. Government activity |
| 3NN125 | C/1 Advisory reference — outside the item-of-supply concept Freescale Semiconductor, Inc. |
| RELEASE5181 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-00-491-9015 is a Transistor, manufactured by Thales Usa, Inc. Div Air Mobility Solutions ("ams"), classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-491-9015 has 1 manufacturer part number on file: 048681-0001 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-781-3063. Verify interchangeability with system specifications before substitution.
Key specifications for 048681-0001: Voltage Rating in Volts Per Characteristic: 15.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Overall Diameter: 0.219 INCHES NOMINAL IN; Terminal Length: 0.500 INCHES MINIMUM IN; Mounting Method: TERMINAL. 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.