The INN700TH350B from Innoscience is a GaN Power Transistor with Gate Threshold Voltage 1.2 to 2.5 V, Drain Source Voltage 700 V, Drain Source Resistance 270 to 580 milli-ohm, Continous Drain Current 6 A, Pulsed Drain Current 10 A. Tags: Through Hole. More details for INN700TH350B can be seen below.