OptiMOS™ 3 power MOSFET 40V in TO-220 FullPAK package (IPA028N040NM3S) This OptiMOS™ 3 power MOSFET 40 V in TO-220 FullPAK is designed to meet the requirements for improved system efficiency while reducing system cost, offering 2.8mOhm RDS(on) and optimized for TV power supply, desktop, adapter and gaming applications, featuring optimized price/performance ratio thanks to increased power density as well as improved efficiency: ideal solution for synchronous rectification.