The GPIHV7DK from GaNPower International is a GaN Power Transistor with Gate Threshold Voltage 1.2 to 1.7 V, Drain Source Voltage 1200 V, Drain Source Resistance 158 to 250 milli-ohm, Continous Drain Current 7 A, Total Charge 3.1 nC. Tags: Surface Mount. More details for GPIHV7DK can be seen below.