The TDG100E90BEPF from Teledyne e2v HiRel Electronics is a GaN Power Transistor with Gate Threshold Voltage 1.1 to 2.6 V, Drain Source Voltage 100 V, Drain Source Resistance 6 to 20 milli-ohm, Continous Drain Current 90 A, Pulsed Drain Current 140 A. Tags: Die. More details for TDG100E90BEPF can be seen below.