The WI61195T from Wise-integration is a GaN Power Transistor with Gate Threshold Voltage 0.9 to 1.8 V, Drain Source Voltage 650 V, Drain Source Resistance 195 to 380 milli-ohm, Continous Drain Current 8 A, Total Charge 2.75 nC. Tags: Surface Mount. More details for WI61195T can be seen below.