The IAUC120N06S5L032 from Infineon Technologies is a MOSFET with Continous Drain Current 21 to 129 A, Drain Source Resistance 2.5 to 4.4 Mohms, Drain Source Breakdown Voltage 60 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for IAUC120N06S5L032 can be seen below.