The IAUC100N10S5L040 from Infineon Technologies is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 3.3 to 5.7 Mohms, Drain Source Breakdown Voltage 100 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for IAUC100N10S5L040 can be seen below.