The GPI65060TO5L 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 25 to 30 milli-ohm, Continous Drain Current 60 A, Total Charge 16.1 nC. Tags: Surface Mount. More details for GPI65060TO5L can be seen below.