This is one of the MOSFET types. This is a kind of the transistor.
Part Number : K941, 2SK941
Function : Silicon N Channel MOSFET
Package : TO-92MOD Type
Manufacturers : Toshiba
See the preview image and the PDF file for more information.
Image
Features
1. High Speed Switching Applications
2. Relay Drive, Motor Drive and DC-DC Converter Applications.
3. 4-Volt Gate Drive
4. Low Drain-Source ON Resistance : Rds(on) = 0.95 Ohm (Typ.)
5. High Forward Transfer Admittance : | Yfs | = 0.65S ( Typ.)
6. Low Leakage Current
7. Enhancement : Vth = 0.8 ~ 2.0V @Vds = 10V, ID = 1mA
K941 Pinout