This part is a kind of semiconductor called 2SK2493.

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 :

2SK2493 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (π−MOSV) 2SK2493 Chopper Regulator and DC−DC Converter Applications z 2.5-V gate drive z Low drain−source ON resistance : RDS (ON) = 0.08 mΩ (typ.) z High forward transfer admittance : |Yfs| = 8.0 S (typ.) z Low leakage current : IDSS = 100 μA (max) (VDS = 16 V) z Enhancement mode : Vth = 0.5~1.1 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) Channel temperature Storage temperature range VDSS VDGR VGSS ID IDP PD Tch Tstg 16 16 ±8 5 20 20 150 −55~150 V V V A A W °C °C Note: Using cont [ ... ]

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