Apex Microtechnology, Silicon Carbide MOSFET 3-Phase Motor Driver Coming Soon SiC Technology! Silicon Carbide MOSFET, 3-Phase Motor Driver, 650 Volts, 30 Amps The SA310 is a fully integrated 3-phase, PWM motor driver. This new amplifier will be the first Apex product to use silicon carbide (SiC) MOSFETS. SiC technology provides excellent performance over a wide