The Transistor, cataloged under National Stock Number 5961-01-248-6344, 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 Renesas Electronics America Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-248-6344 |
| Primary Part Number | 2N3866A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Renesas Electronics America Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 55.00 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 3.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-39 |
| Overall Diameter | 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 400.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE 6187 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 5.0 WATTS MAXIMUM TOTAL 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 |
|---|---|
| 2N3866A | Renesas Electronics America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2N3866A | 3/9 Design control — primary reference U.S. Government activity |
| RELEASE6187 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-248-6344 is a Transistor, manufactured by Renesas Electronics America Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-248-6344 has 1 manufacturer part number on file: 2N3866A (Renesas Electronics America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-328-7996. Verify interchangeability with system specifications before substitution.
Key specifications for 2N3866A: Voltage Rating in Volts Per Characteristic: 55.00 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 3.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-39; Overall Diameter: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM 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.