The IAUC70N08S5N074 from Infineon Technologies is a MOSFET with Continous Drain Current 47 to 70 A, Drain Source Resistance 6.6 to 10.6 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 IAUC70N08S5N074 can be seen below.