View stp10nk80z datasheet:

STP10NK80Z - STP10NK80ZFP STW10NK80Z N-CHANNEL 800V - 0.78? - 9A TO-220/TO-220FP/TO-247 Zener-Protected SuperMESH™Power MOSFET TYPE VDSS RDS(on) ID Pw STP10NK80Z 800 V < 0.90 ? 9 A 160 W STP10NK80ZFP 800 V < 0.90 ? 9 A 40 W STW10NK80Z 800 V < 0.90 ? 9 A 160 W 3 2 TYPICAL RDS(on) = 0.78 ? 1 EXTREMELY HIGH dv/dt CAPABILITY TO-220 TO-220FP 100% AVALANCHE TESTED GATE CHARGE MINIMIZED VERY LOW INTRINSIC CAPACITANCES VERY GOOD MANUFACTURING 3 2 1 REPEATIBILITY TO-247 DESCRIPTION The SuperMESH™ series is obtained through an extreme optimization of ST’s well established strip- based PowerMESH™ layout. In addition to pushing INTERNAL SCHEMATIC DIAGRAM on-resistance significantly down, special care is tak- en to ensure a very good dv/dt capability for the most dema