CoolSiC™ MOSFET 650 V G2 in TOLL package, 26 mΩ The CoolSiC™ MOSFET 650 V Generation 2 (G2) in TOLL is a trending option to leverage a very performing technology, like CoolSiC™ G2. It overcomes the limits in thermal cycles of the conventional packages and it boats the .XT interconnect to reduce the thermal resistance. It is hence possible to fully use the characteristics of SiC, but maintaining a small footprint with a product which is the next logical step in power density.