The CDA04N30X1S from EPC Space is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 40 V, Drain Source Resistance 3.2 to 4 milli-ohm, Continous Drain Current 30 A, Pulsed Drain Current 100 A. Tags: Die. More details for CDA04N30X1S can be seen below.