650 V CoolMOS™ 8 power transistor The 650 V CoolMOS™ 8 SJ MOSFETs series is the successor to the 650 V CoolMOS™ 7 MOSFET family including C7 and CFD7. It comes with better efficiency compare to its predeccesor. 650 V CoolMOS™ 8 offers the additional 50 V buffer to fulfill the requirement of higher power applications. Beside these advantages, it also includes fast body diode across whole portfolio.