The GANB4R8-040CBA from Nexperia is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.4 V, Drain Source Voltage 40 V, Drain Source Resistance 4 to 7 milli-ohm, Continous Drain Current 20 A, Pulsed Drain Current 100 A. Tags: Wafer. More details for GANB4R8-040CBA can be seen below.