OptiMOS™ 5 power MOSFET 100 V in TO-220 The IPP018N10N5 is Infineon’s OptiMOS™ 5 power MOSFET 1.8 mOhm, 100 V in the industry standard TO-220 package for through-hole assembly. OptiMOS™ 5 power MOSFET in TO-220 targets light electric vehicles and battery management systems .