The Transistor, cataloged under National Stock Number 5961-00-989-7901, 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 13 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-989-7901 |
| Primary Part Number | 2N995 |
| 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 | 20.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.230 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Specification/standard Data | 80131-RELEASE3603 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 360.0 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 |
|---|---|
| 2N995 PRIMARY | Osi Optoelectronics, Inc Dba Semicoa (USA) |
| 2N995 PRIMARY | Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA) |
| 2N995 | Solid State Devices, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5961PL1387363 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2N995 | 5/9 Secondary reference National Semiconductor Corp |
| 2N995 | 5/9 Secondary reference U.S. Government activity |
| 2N995 | 5/9 Secondary reference Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp |
| 2N995 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 2N995 | 5/9 Secondary reference Csr Industries Inc |
| 2N995 | 5/9 Secondary reference Telcom Semiconductor Inc |
| 41175-089-6 | 5/9 Secondary reference British Aerospace Defence Systems Ltd T/a Bae Systems |
| RELEASE3603 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-00-989-7901 is a Transistor, manufactured by Osi Optoelectronics, Inc Dba Semicoa, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-989-7901 has 3 manufacturer part numbers on file: 2N995 (Osi Optoelectronics, Inc Dba Semicoa), 2N995 (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc), 2N995 (Solid State Devices, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-369-6981. Verify interchangeability with system specifications before substitution.
Key specifications for 2N995: Voltage Rating in Volts Per Characteristic: 20.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.230 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN. 13 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.