The IAUS300N08S5N014T from Infineon Technologies is a MOSFET with Continous Drain Current 108 to 327 A, Drain Source Resistance 1.2 to 2.1 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 IAUS300N08S5N014T can be seen below.