The EPC2023 from Efficient Power Conversion is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 30 V, Drain Source Resistance 1.15 to 1.45 milli-ohm, Continous Drain Current 90 A, Pulsed Drain Current 590 A. Tags: Die. More details for EPC2023 can be seen below.