View 2sk2381 datasheet:

2SK2381 2 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (L -?-MOSV) 2SK2381 Chopper Regulator, DC-DC Converter and Motor Drive Unit: mm Applications Low drain-source ON resistance : RDS (ON) = 0.56 ? (typ.) High forward transfer admittance : |Y | = 4.5 S (typ.) fs Low leakage current : I = 100 µA (max) (V = 200 V) DSS DS Enhancement-mode : Vth = 1.5~3.5 V (V = 10 V, I = 1 mA) DS D Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Drain-source voltage VDSS 200 V Drain-gate voltage (RGS = 20 k?) VDGR 200 V Gate-source voltage VGSS ±20 V DC (Note 1) ID 5 A Drain current Pulse (Note 1) IDP 20 A Drain power dissipation (Tc = 25°C) PD 25 W JEDEC ? Single pulse avalanche energy EAS 65 mJ JEITA SC-67 (Note 2) TOSHIBA 2-1