OptiMOS™ 3 power MOSFET 250V in TO-220 FullPAK package (IPA600N25NM3S) The OptiMOS™ 3 MOSFET 250V in TO-220 FullPAK package (IPA600N25NM3S) meets the requirements for improved system efficiency and lowers system costs. Infineon’s OptiMOS™ power MOSFET IPA600N25NM3S features low RDS(on) of 60mOhm. With its increased power density and improved efficiency, the TO-220 FullPAK portfolio extension is the excellent solution for synchronous rectification. It is optimized for TV power supply, desktop, adapter and gaming applications.