OptiMOS™ 3 34V power MOSFET in SuperSO8 package for high power density and efficiency Infineon's 34V OptiMOS™ 3 MOSFET is the perfect choice for synchronous rectification in switched mode power supplies (SMPS) such as those found in servers and desktops . In addition this device can be used for a broad range of industrial applications including motor control and fast switching DC-DC converter.