The EPC2001C 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 5.6 to 7 milli-ohm, Continous Drain Current 36 A, Pulsed Drain Current 150 A. Tags: Die. More details for EPC2001C can be seen below.