The IAUC100N08S5N043 from Infineon Technologies is a MOSFET with Continous Drain Current 76 to 100 A, Drain Source Resistance 1.1 Mohms, Drain Source Breakdown Voltage 80 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.2 to 3.8 V. Tags: Surface Mount. More details for IAUC100N08S5N043 can be seen below.