The GPI65030DFN from GaNPower International is a GaN Power Transistor with Gate Threshold Voltage 0.9 to 2.9 V, Drain Source Voltage 650 V, Drain Source Resistance 29 to 70 milli-ohm, Continous Drain Current 30 A, Total Charge 5.8 nC. Tags: Surface Mount. More details for GPI65030DFN can be seen below.