The IAUC120N04S6N008 from Infineon Technologies is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 0.80 mO, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.6 V. Tags: Surface Mount. More details for IAUC120N04S6N008 can be seen below.