View 2sk1359 datasheet:

2SK1359 .5 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (?-MOSII ) 2SK1359 DC-DC Converter and Motor Drive Applications Unit: mm Low drain-source ON resistance : RDS (ON) = 3.0 ? (typ.) High forward transfer admittance : |Y | = 2.0 S (typ.) fs Low leakage current : I = 300 µA (max) (V = 800 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 1000 V Drain-gate voltage (RGS = 20 k?) VDGR 1000 V Gate-source voltage VGSS ±30 V DC (Note 1) ID 5 Drain current A Pulse (Note 1) IDP 15 1. GATE Drain power dissipation (Tc = 25°C) PD 125 W 2. DRAIN (HEAT SINK) Channel temperature Tch 150 °C 3. SOURCE Storage temperature range Ts