The IGI60F5050A1L AUMA1 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 500 to 1000 milli-ohm, Continous Drain Current 3.8 A, Pulsed Drain Current 6.4 A. Tags: Surface Mount. More details for IGI60F5050A1L AUMA1 can be seen below.