View 2sk2884 datasheet:

2SK2884 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (?-MOSIII) 2SK2884 Chopper Regulator, DC-DC Converter Applications Unit: mm Low drain-source ON resistance : RDS (ON) = 1.9 ? (typ.) High forward transfer admittance : |Y | = 3.8 S (typ.) fs Low leakage current : I = 100 µA (max) (V = 640 V) DSS DS Enhancement-mode : Vth = 2.0~4.0 V (V = 10 V, I = 1 mA) DS D Maximum Ratings (Tc = 25°C) Characteristics Symbol Rating Unit Drain-source voltage VDSS 800 V Drain-gate voltage (RGS = 20 k?) VDGR 800 V Gate-source voltage VGSS ±30 V DC (Note 1) ID 5 A Drain current Pulse (Note 1) IDP 15 A Drain power dissipation PD 100 W Single pulse avalanche energy EAS 370 mJ (Note 2) JEDEC ? Avalanche current IAR 5 A JEITA ? Repetitive avalanch