The EPC2215 from Efficient Power Conversion is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 200 V, Drain Source Resistance 6 to 8 milli-ohm, Continous Drain Current 32 A, Pulsed Drain Current 162 A. Tags: Die. More details for EPC2215 can be seen below.