The GPT65Z3YMR from MGT Technology is a GaN Power Transistor with Gate Threshold Voltage 1 to 2.5 V, Drain Source Voltage 650 V, Drain Source Resistance 245 to 500 milli-ohm, Continous Drain Current 6 to 9 A, Pulsed Drain Current 31 A. Tags: Surface Mount. More details for GPT65Z3YMR can be seen below.