The EPC7020 from Efficient Power Conversion is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 200 V, Drain Source Resistance 8 to 11 mOhms, Continous Drain Current 39 A, Pulsed Drain Current 170 A. Tags: Die. More details for EPC7020 can be seen below.