IGBT WAFERS FRD WAFERS SGT WAFERS TMOS WAFERS IGBT TRANSISTORS IGBT MODULES MOSFET COOL MOSFET FRD DIODES FRD DIODES--FOR AUTOMOBILE CHARGING PILES COMMON DIODES--FOR ANTI-REVERSE CONNECTION OF CHARGING PILES SCHOTTKY BARRIER DIODES (SBD) FRD MODULES IC SiC MOSFET SiC MOSFET MODULES SiC SBD DIODES SiC SBD Diode Modules SCR MODULES SCR（thyristor） TRIAC