View 2sk2718 datasheet:

2SK2718 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (?-MOSIII) 2SK2718 DC-DC Converter and Motor Drive Applications Unit: mm Low drain-source ON resistance : RDS = 5.6 ? (typ.) (ON) High forward transfer admittance : |Y | = 2.0 S (typ.) fs Low leakage current : I = 100 µA (max) (V = 720 V) DSS DS Enhancement-mode : Vth = 2.0~4.0 V (V = 10 V, I = 1 mA) DS D Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Drain-source voltage VDSS 900 V Drain-gate voltage (RGS = 20 k?) VDGR 900 V Gate-source voltage VGSS ±30 V DC (Note 1) ID 2.5 A Drain current Pulse (Note 1) IDP 7.5 A Drain power dissipation (Tc = 25°C) PD 40 W Single pulse avalanche energy EAS 216 mJ JEDEC ? (Note 2) Avalanche current IAR 2.5 A JEITA SC-67 Rep