The INN700TK190C 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 138 to 300 milli-ohm, Continous Drain Current 11.5 A, Pulsed Drain Current 20.5 A. Tags: Surface Mount. More details for INN700TK190C can be seen below.