The EPC2104 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 to 6.8 milli-ohm, Continous Drain Current 30 A, Pulsed Drain Current 180 A. Tags: Die. More details for EPC2104 can be seen below.