OptiMOS™ 5 power MOSFET with enhanced temperature rating for improved robustness OptiMOS™ 5 power MOSFET in SuperSO8 package offers the latest technology together with temperature improvements in the package. This new combination enables higher power density as well as improved robustness. Compared to lower rated MOSFET devices, the 175°C TJMAX feature offers either more power at a higher operating junction temperature or longer lifetime at the same operating junction temperature.