The Transistor, cataloged under National Stock Number 5961-00-626-5271, 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 Freescale Semiconductor, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-626-5271 |
| Primary Part Number | MMT3960 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Freescale Semiconductor, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | -3.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Overall Diameter | 0.078 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| Mounting Method | PRESS FIT |
| Internal Junction Configuration | NPN |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 0.03 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 225.0 MILLIWATTS 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 |
|---|---|
| SMT1110 | Freescale Semiconductor, Inc. (USA) |
| MMT3960 PRIMARY | Freescale Semiconductor, Inc. (USA) |
| 1854-0555 | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 1854-0555-1 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1854-0555-1 | 5/1 Secondary reference Keysight Technologies Inc |
| 1854-0555 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1854-0555-1 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 1854-0555 | 5/9 Secondary reference Keysight Technologies, Inc. |
NSN 5961-00-626-5271 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-626-5271 has 3 manufacturer part numbers on file: SMT1110 (Freescale Semiconductor, Inc.), MMT3960 (Freescale Semiconductor, Inc.), 1854-0555 (Keysight Technologies Inc).
Key specifications for MMT3960: Voltage Rating in Volts Per Characteristic: -3.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Overall Diameter: 0.078 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN; Mounting Method: PRESS FIT; Internal Junction Configuration: NPN. 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.