The Transistor, cataloged under National Stock Number 5961-00-082-3852, 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 Keysight Technologies Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-082-3852 |
| Primary Part Number | 1850-0195 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| 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-BASE, EMITTER OPEN AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Mounting Facility Quantity | 11 |
| Overall Diameter | 1.250 INCHES MAXIMUM1.250 INCHES MAXIMUM IN |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | GERMANIUMGERMANIUM |
| Internal Configuration | JUNCTION CONTACTJUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.190 INCHES0.190 INCHES IN |
| Current Rating Per Characteristic | 4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE3212 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION80131-RELEASE3212 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG3 TAB, SOLDER LUG |
| Thread Series Designator | UNFUNF |
| Electrode Internally-Electrically Connected to Case | COLLECTORCOLLECTOR |
| Power Rating Per Characteristic | 93.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION93.0 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 |
|---|---|
| 1850-0195 | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 2N1970 | 3/9 Design control — primary reference U.S. Government activity |
| 2N1970 | 5/9 Secondary reference General Electric Co Semi-Conductor Products Dept Power Components Opn |
| 1850-0195 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1850-0195 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 244075 | 5/2 Secondary reference U.S. Government activity |
| RELEASE3212 | 5/9 Secondary reference U.S. Government activity |
| 2N1970 | 5/9 Secondary reference General Motors Corp Delco Electronics Div |
NSN 5961-00-082-3852 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-082-3852 has 1 manufacturer part number on file: 1850-0195 (Keysight Technologies Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5961-00-478-7720, 4730-01-376-2744. Verify interchangeability with system specifications before substitution.
Key specifications for 1850-0195: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Mounting Facility Quantity: 11; Overall Diameter: 1.250 INCHES MAXIMUM1.250 INCHES MAXIMUM IN; Mounting Method: THREADED STUD(S). 14 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.