The SGF48N10MUB from Solid State Devices is a GaN Power Transistor with Gate Threshold Voltage 0.8 to 2.5 V, Drain Source Voltage 100 V, Drain Source Resistance 8 to 10 milli-ohm, Continous Drain Current 48 A, Pulsed Drain Current 340 A. Tags: Through Hole. More details for SGF48N10MUB can be seen below.