The Transistor, cataloged under National Stock Number 5961-01-072-4012, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-072-4012 |
| Primary Part Number | 2N3798A |
| 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 | 90.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 90.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Overall Diameter | 0.209 INCHES MINIMUM AND 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 |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Test Data Document | 19645-322220000030 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| 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 |
|---|---|
| 2N3798A PRIMARY | Osi Optoelectronics, Inc Dba Semicoa (USA) |
| Reference | Meaning |
|---|---|
| 2N3798A | 5/9 Secondary reference Colt Industries Inc Crucible Spaulding Operation |
| 2N3798A | 5/9 Secondary reference American Electronics Inc Intl Devices Inc Div |
| 322220000030 | 5/9 Secondary reference Data Device Corp Dba Beta Transformer Technology |
NSN 5961-01-072-4012 is a Transistor, manufactured by Osi Optoelectronics, Inc Dba Semicoa, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-072-4012 has 1 manufacturer part number on file: 2N3798A (Osi Optoelectronics, Inc Dba Semicoa).
Key specifications for 2N3798A: Voltage Rating in Volts Per Characteristic: 90.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 90.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Overall Diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN; Mounting Method: TERMINAL. 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.