The IAUS200N08S5N023 from Infineon Technologies is a MOSFET with Continous Drain Current 148 to 200 A, Drain Source Resistance 1.8 to 3.7 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 IAUS200N08S5N023 can be seen below.