The EPC7003 from Efficient Power Conversion is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 100 V, Drain Source Resistance 18 to 30 mOhms, Continous Drain Current 10 A, Pulsed Drain Current 42 A. Tags: Die. More details for EPC7003 can be seen below.