View stw9na60 datasheet:

STW9NA60 STH9NA60FI ? N - CHANNEL ENHANCEMENT MODE FAST POWER MOS TRANSISTOR TYPE VDSS RDS(on) ID STW9NA60 600 V < 0.8 ? 9.5 A STH9NA60FI 600 V < 0.8 ? 6.4 A TYPICAL R = 0.69 ? DS(on) ± 30V GATE TO SOURCE VOLTAGE RATING 100% AVALANCHE TESTED REPETITIVE AVALANCHE DATA AT 100oC LOW INTRINSIC CAPACITANCES 3 3 2 GATE CHARGE MINIMIZED 2 1 1 REDUCED THRESHOLD VOLTAGE SPREAD TO-247 ISOWATT218 APPLICATIONS HIGH CURRENT, HIGH SPEED SWITCHING SWITCH MODE POWER SUPPLIES (SMPS) DC-AC CONVERTERS FOR WELDING EQUIPMENT AND UNINTERRUPTIBLE INTERNAL SCHEMATIC DIAGRAM POWER SUPPLIES AND MOTOR DRIVE ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit STW9NA60 STH9NA60FI V Drain-source Voltage (V = 0) 600 V DS GS VDGR Drain- gate Voltage (RGS = 20 k?) 600 V VGS G