The SGF15E100JUB from Solid State Devices is a GaN Power Transistor with Gate Threshold Voltage 1.6 to 2.6 V, Drain Source Voltage 1000 V, Drain Source Resistance 160 to 350 milli-ohm, Continous Drain Current 15 A, Pulsed Drain Current 58 A. Tags: Through Hole. More details for SGF15E100JUB can be seen below.