The Transistor, cataloged under National Stock Number 5961-00-778-3958, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Semitronics Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5961-00-778-3958 |
| Primary Part Number | 2N1050B |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Semitronics Corp |
| Status | CANCELLED |
| Nominal Thread Size | 0.138 INCHES IN |
| Voltage Rating in Volts Per Characteristic | 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 10.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Mounting Method | THREADED STUD(S) |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Semiconductor Material | SILICON |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Mounting Facility Quantity | 1 |
| Current Rating Per Characteristic | 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 750.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Overall Diameter | 0.420 INCHES MAXIMUM IN |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Internal Configuration | JUNCTION CONTACT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Specification/standard Data | 80131-RELEASE3379 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Power Rating Per Characteristic | 1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION |
| Features Provided | HERMETICALLY SEALED CASE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2N1050B | Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave (USA) |
| 2N1049B | Solid State Devices, Inc (USA) |
| 2N1050B PRIMARY | Semitronics Corp (USA) |
| 2N1049B | Silicon Transistor Corporation Dba Same (USA) |
| 2N1050B | Electronic Industries Association |
| 2N1050B | Solid State Devices, Inc (USA) |
| 2N1049B | Texas Instruments Incorporated (USA) |
| 2N1050B | Electronic Transistors Corp (USA) |
| 2N1049B | Electronic Industries Association |
| 2N1049B | Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave (USA) |
| 2N1049B | United Page Inc (USA) |
| 2N1049B | Solid Power Corp (USA) |
| 2N1049B | Electronic Transistors Corp (USA) |
| 2N1049B | Semitronics Corp (USA) |
| RELEASE3379 | Electronic Industries Association |
| 2N1050B | Texas Instruments Incorporated (USA) |
| 2N1050B | Solid Power Corp (USA) |
| 2503886-2 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 2N1050B | Silicon Transistor Corporation Dba Same (USA) |
| 2N1050B | United Page Inc (USA) |
NSN 5961-00-778-3958 is a Transistor, manufactured by Semitronics Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.
NSN 5961-00-778-3958 has 20 cross-referenced part numbers: 2N1050B (Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave), 2N1049B (Solid State Devices, Inc), 2N1050B (Semitronics Corp), 2N1049B (Silicon Transistor Corporation Dba Same), 2N1050B (Electronic Industries Association) and 15 more.
There are 2 known substitutes for 5961-00-778-3958: 5961-00-919-5885, 5961-00-990-3079. Verify interchangeability with system specifications before substitution.
Key specifications for 2N1050B: Nominal Thread Size: 0.138 INCHES IN; Voltage Rating in Volts Per Characteristic: 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 10.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Mounting Method: THREADED STUD(S); Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5961-00-778-3958 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.