CoolGaN™ Transistor 650 V ≤ G3 for ultimate efficiency and reliability The GS-065-018-2-L-TR is an enhancement mode GaN-on-Silicon power transistor. The properties of GaN allow for high current, high voltage breakdown and high switching frequency. The GS-065-018-2-L-TR is a bottom-side cooled transistor in a 8x8 mm PDFN package that enables ideal power disspation as required in modern USB-C adapter and chargers, or server and data center applications.