The IGOT60R042D1 from Infineon Technologies is a GaN Power Transistor with Gate Threshold Voltage 0.7 to 1.6 V, Drain Source Voltage 600 V, Drain Source Resistance 37 to 72 milli-ohm, Continous Drain Current 19 A, Pulsed Drain Current 90 A. Tags: Surface Mount. More details for IGOT60R042D1 can be seen below.