OptiMOS™ 5 power MOSFET 100 V in D²PAK The IPB018N10N5 is Infineon’s OptiMOS™ 5 power MOSFET 1.8 mOhm, 100 V in the industry standard D²PAK package for surface mount assembly. OptiMOS™ 5 power MOSFET in D²PAK targets light electric vehicles and battery management systems .