The CPG004-CDFG6517N from Central Semiconductor is a GaN Power Transistor with Gate Threshold Voltage 1.2 to 2.5 V, Drain Source Voltage 650 V, Drain Source Resistance 106 to 230 milli-ohm, Continous Drain Current 17 A, Pulsed Drain Current 32 A. Tags: Die. More details for CPG004-CDFG6517N can be seen below.