The Transistor, cataloged under National Stock Number 5961-00-936-3603, 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 Osi Optoelectronics, Inc Dba Semicoa. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-936-3603 |
| Primary Part Number | 2N2740 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Osi Optoelectronics, Inc Dba Semicoa |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS CASE DEGC |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 1.281 INCHES NOMINAL IN |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.312 INCHES IN |
| Current Rating Per Characteristic | 7.50 AMPERES MAXIMUM BASE CURRENT, DC AND 20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE4201B PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 1 THREADED STUD AND 2 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 200.0 WATTS 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 |
|---|---|
| 2N2740 | Osi Optoelectronics, Inc Dba Semicoa (USA) |
| 2N2740 | Silicon Transistor Corporation Dba Same (USA) |
| 2N2740 | Semitronics Corp (USA) |
| 2N2740 | Solid State Devices, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2N2740 | 5/9 Secondary reference Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave |
| 2N2740 | 5/9 Secondary reference Slater Electric Inc |
| 2N2740 | 3/9 Design control — primary reference U.S. Government activity |
| 2N2740 | 5/9 Secondary reference Westinghouse Electric Corp Semiconductor Div |
| 2N2740 | 5/9 Secondary reference Solid Power Corp |
| RELEASE4201B | 5/9 Secondary reference U.S. Government activity |
NSN 5961-00-936-3603 is a Transistor, manufactured by Osi Optoelectronics, Inc Dba Semicoa, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-936-3603 has 4 manufacturer part numbers on file: 2N2740 (Osi Optoelectronics, Inc Dba Semicoa), 2N2740 (Silicon Transistor Corporation Dba Same), 2N2740 (Semitronics Corp), 2N2740 (Solid State Devices, Inc).
Key specifications for 2N2740: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 1; Overall Diameter: 1.281 INCHES NOMINAL IN. 15 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.