The TP65H100G4PS from Transphorm is a GaN Power Transistor with Gate Threshold Voltage 3.2 to 4.1 V, Drain Source Voltage 650 V, Drain Source Resistance 92 to 184 milli-ohm, Continous Drain Current 18.9 A, Pulsed Drain Current 95 A. Tags: Through Hole. More details for TP65H100G4PS can be seen below.