The INN700TK600B 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 470 to 1020 milli-ohm, Continous Drain Current 3.3 A, Pulsed Drain Current 6 A. Tags: Surface Mount. More details for INN700TK600B can be seen below.