The EPC2033 from Efficient Power Conversion is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 150 V, Drain Source Resistance 5 to 7 milli-ohm, Continous Drain Current 48 A, Pulsed Drain Current 260 A. Tags: Die. More details for EPC2033 can be seen below.