The NV6128 from Navitas Semiconductor is a GaN Power Transistor with Drain Source Voltage 800 V, Drain Source Resistance 70 to 145 milli-ohm, Continous Drain Current 20 A, Pulsed Drain Current 25 to 40 A, Total Charge 48 nC. Tags: Surface Mount. More details for NV6128 can be seen below.