The CGD65B130S2 from Cambridge GaN Devices is a GaN Power Transistor with Gate Threshold Voltage 2.2 to 4.2 V, Drain Source Voltage 650 V, Drain Source Resistance 130 to 350 milli-ohm, Continous Drain Current 12 A, Total Charge 2.3 nC. Tags: Surface Mount. More details for CGD65B130S2 can be seen below.