stf18n65m2.pdf datasheet:

STF18N65M2N-channel 650 V, 0.275 typ., 12 A MDmesh M2 Power MOSFET in a TO-220FP packageDatasheet - production dataFeaturesRDS(on) Order code VDS IDmaxSTF18N65M2 650 V 0.33 12 A Extremely low gate charge32 Excellent output capacitance (Coss) profile1 100% avalanche testedTO-220FP Zener-protectedApplications Switching applicationsFigure 1. Internal schematic diagram LLC converters, resonant convertersDescriptionThis device is an N-channel Power MOSFET developed using MDmesh M2 technology. Thanks to its strip layout and an improved vertical structure, the device exhibits low on-resistance and optimized switching characteristics, rendering it suitable for the most demanding high efficiency converters.AM15572v1Table 1. Device summaryOrder code Marking Package PackagingSTF18N65M2 18N65M2 TO-220