650 V Silicon Carbide Schottky diode 4 A in TO-220 package The CoolSiC™ Schottky diode 650 V G6 is the leading edge technology from Infineon for the SiC Schottky barrier diodes, fully leveraging all advantages of SiC over silicon. An Infineon proprietary innovative soldering process is combined with a more compact design, thin-wafer technology and a novel Schottky metal system. The result is a family of products with improved efficiency over all load conditions, resulting from a best-in-class figure of merit (Q c x V F).