The ISG6103 from Innoscience is a GaN Power Transistor with Drain Source Voltage -7 to 700 V, Drain Source Resistance 230 to 320 milli-ohm, Continous Drain Current 5 A, Pulsed Drain Current 10 A, Output Capacitance 18.2 pF. Tags: Surface Mount. More details for ISG6103 can be seen below.