The TP65H070G4QS-TR from Transphorm is a GaN Power Transistor with Gate Threshold Voltage 3.3 to 4.8 V, Drain Source Voltage 650 V, Drain Source Resistance 72 to 148 milli-ohm, Continous Drain Current 29 A, Pulsed Drain Current 120 A. Tags: Surface Mount. More details for TP65H070G4QS-TR can be seen below.