The IPB160N04S4L-H1 from Infineon Technologies is a MOSFET with Continous Drain Current 160 A, Drain Source Resistance 1.2 to 2 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for IPB160N04S4L-H1 can be seen below.