The GPI65008DF68 from GaNPower International is a GaN Power Transistor with Gate Threshold Voltage 1 to 1.7 V, Drain Source Voltage 650 V, Drain Source Resistance 170 to 190 milli-ohm, Continous Drain Current 8 A, Total Charge 2.1 nC. Tags: Surface Mount. More details for GPI65008DF68 can be seen below.