View 2sk2865 datasheet:

2SK2865 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (?-MOSV) 2SK2865 Chopper Regulator, DC-DC Converter and Motor Drive Applications Unit: mm Low drain-source ON resistance : R = 4.2 ? (typ.) DS (ON) High forward transfer admittance : |Y | = 1.7 S (typ.) fs Low leakage current : IDSS = 100 �A (max) (V = 600 V) DS Enhancement-mode : V = 2.0~4.0 V (V = 10 V, I = 1 mA) th DS D Maximum Ratings (Ta = 25�C) Characteristics Symbol Rating Unit Drain-source voltage VDSS 600 V Drain-gate voltage (RGS = 20 k?) VDGR 600 V Gate-source voltage VGSS �30 V DC (Note 1) ID 2 A Pulse (t = 1 ms) IDP 5 A (Note 1) Drain current Pulse (t = 100 �s) IDP 8 A (Note 1) JEDEC ? JEITA SC-64 Drain power dissipation (Tc = 25�C) PD 20 W Single pulse