The EPC2030 from Efficient Power Conversion is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 40 V, Drain Source Resistance 1.8 to 2.4 milli-ohm, Continous Drain Current 48 A, Pulsed Drain Current 490 A. Tags: Die. More details for EPC2030 can be seen below.