The Transistor, cataloged under National Stock Number 5961-00-133-2807, 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 Silicon Transistor Corporation Dba Same. Government technical data includes 12 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-133-2807 |
| Primary Part Number | MJ2901 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Silicon Transistor Corporation Dba Same |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Overall Diameter | 0.875 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Unable to Decode | UNABLE TO DECODE |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 7.00 AMPERES MAXIMUM BASE CURRENT, DC |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 657.0 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 |
|---|---|
| MJ2901 | Solid State Devices, Inc (USA) |
| MJ2901 PRIMARY | Silicon Transistor Corporation Dba Same (USA) |
| Reference | Meaning |
|---|---|
| MJ2901 | 5/9 Secondary reference Microsemi Ppc Inc |
| MJ2901 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 016-1D908-2 | 5/9 Secondary reference Advanced Logic Resources Inc Dba Alr |
| 016-1D908-2 | 5/9 Secondary reference Gap Instrument Corp |
| 345-224-008 | 5/9 Secondary reference L3harris Interstate Electronics Corporation |
| 418863 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 014-837 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-00-133-2807 is a Transistor, manufactured by Silicon Transistor Corporation Dba Same, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-133-2807 has 2 manufacturer part numbers on file: MJ2901 (Solid State Devices, Inc), MJ2901 (Silicon Transistor Corporation Dba Same).
Key specifications for MJ2901: Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2; Overall Diameter: 0.875 INCHES MAXIMUM IN. 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.