The IAUC100N04S6N028 from Infineon Technologies is a MOSFET with Continous Drain Current 77 to 100 A, Drain Source Resistance 2.21 to 3.90 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.2 to 3 V. Tags: Surface Mount. More details for IAUC100N04S6N028 can be seen below.