650V Silicon Carbide Power MOSFETs Wolfspeed 650V Silicon Carbide Power MOSFETs offer low on-state resistances and switching losses for maximum efficiency and power density. The 650V MOSFETs are optimized for high-performance power electronics applications, including server power supplies, electric vehicle charging systems, energy storage systems, Solar (PV) inverters, uninterruptible power supplies, and battery management systems. Compared with silicon, Wolfspeed 650V silicon carbide MOSFETs can deliver 75% lower switching losses, ½ the conduction losses, and 3x higher power density.