CoolGaN™ Transistor 650 V ≤ G3 for ultimate efficiency and reliability The GS-065-060-5-T-A-TR is an enhancement mode GaN-on-Silicon power transistor. The properties of GaN allow for high current and high switching frequency. The GS-065-060-5-T-A-TR is a top-side cooled transistor in a GaNPX® package with very low junction-to-case thermal resistance for high power applications such as on-board and off-board EV chargers, traction drive, ACDC and DCDC converters, industrial power supplies and renewable energy systems.