View stp5nk80z datasheet:

STP5NK80Z - STP5NK80ZFP N-CHANNEL 800V - 1.9? - 4.3A TO-220/TO-220FP Zener-Protected SuperMESH™Power MOSFET TYPE VDSS RDS(on) ID Pw STP5NK80Z 800 V < 2.4 ? 4.3 A 110 W STP5NK80ZFP 800 V < 2.4 ? 4.3 A 30 W TYPICAL RDS(on) = 1.9 ? EXTREMELY HIGH dv/dt CAPABILITY 100% AVALANCHE TESTED 3 GATE CHARGE MINIMIZED 2 1 VERY LOW INTRINSIC CAPACITANCES VERY GOOD MANUFACTURING TO-220 TO-220FP REPEATIBILITY DESCRIPTION The SuperMESH™ series is obtained through an extreme optimization of ST’s well established strip- based PowerMESH™ layout. In addition to pushing on-resistance significantly down, special care is tak- INTERNAL SCHEMATIC DIAGRAM en to ensure a very good dv/dt capability for the most demanding applications. Such series comple- ments ST full range of high volta