The EPC2100 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 1.5 to 8.2 milli-ohm, Continous Drain Current 10 to 40 A, Pulsed Drain Current 100 to 400 A. Tags: Die. More details for EPC2100 can be seen below.