OptiMOS™ 7 40V LinearFET Best-in-class SOA ruggedness at lowest RDS (on) for all disconnect switches disconnect switches OptiMOS™ 7 40V LinearFET technology improves the SOA ruggedness of Infineon's OptiMOS™ 7 40V by a factor of 4 up to 25, making it ideal for parallel switching at high loads, capacitor charging and over-voltage clamping. The leadless sTOLL 7x8 package with Cu-clip minimizes stray inductance and package resistance and improves switching behavior, making it a perfect match for robust, easy automotive power MOSFET designs.