The Transistor, cataloged under National Stock Number 5961-01-012-4268, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Thermo Electron Manufacturing Limited T/a Thermo Fisher Scientific. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-012-4268 |
| Primary Part Number | BS3681 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Thermo Electron Manufacturing Limited T/a Thermo Fisher Scientific |
| Status | ACTIVE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION |
| Current Rating Per Characteristic | 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.60 AMPERES MAXIMUM BASE CURRENT, DC |
| Mounting Method | TERMINAL |
| Voltage Rating in Volts Per Characteristic | 350.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 250.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Internal Configuration | JUNCTION CONTACT |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5961-01-012-4268 is a Transistor, manufactured by Thermo Electron Manufacturing Limited T/a Thermo Fisher Scientific, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-01-012-4268 has 5 cross-referenced part numbers: BS3681 (Thermo Electron Manufacturing Limited T/a Thermo Fisher Scientific), 4647-1 (Crown Audio, Inc. Dba Crown International), 401291-01 (Tally Printer Corporation), 29030 (Tdk-Lambda Uk Ltd), TIP47 (Texas Instruments Incorporated).
There are 7 known substitutes for 5961-01-012-4268: 5961-00-356-8731, 5910-00-490-2941, 5961-01-063-9262 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for BS3681: Electrode Internally-Electrically Connected to Case: COLLECTOR; Power Rating Per Characteristic: 2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Overall Width: 0.420 INCHES MAXIMUM IN; Overall Length: 0.675 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.