This part is a kind of semiconductor called 2SK2314.

Function of this product has Silicon N Channel MOS Type Field Effect Transistor.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SK2314 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (L2−π−MOSV) 2SK2314 Chopper Regulator, DC−DC Converter and Motor Drive Applications Unit: mm z 4-V gate drive z Low drain−source ON resistance : RDS (ON) = 66 mΩ (typ.) z High forward transfer admittance : |Yfs| = 16 S (typ.) z Low leakage current : IDSS = 100 μA (max) (VDS = 100 V) z Enhancement mode : Vth = 0.8 to 2.0 V (VDS = 10 V, ID = 1 mA) Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Drain−source voltage Drain−gate voltage (RGS = 20 kΩ) Gate−source voltage Drain current DC (Note 1) Pulse (Note 1) Drain power dissipation (Tc = 25°C) Single pulse avalanche energy (Note 2) Avalanche current Repetitive avalanche energy (Note 3) Channel temperature Sto [ ... ]

2SK2314 PDF Datasheet Download