The GPI90007DF88 from GaNPower International is a GaN Power Transistor with Gate Threshold Voltage 0.9 to 2.9 V, Drain Source Voltage 900 V, Drain Source Resistance 170 to 420 milli-ohm, Continous Drain Current 7 A, Pulsed Drain Current 16 A. Tags: Surface Mount. More details for GPI90007DF88 can be seen below.