The IPB180N03S4L-01 from Infineon Technologies is a MOSFET with Continous Drain Current 180 A, Drain Source Resistance 0.9 to 1.4 Mohms, Drain Source Breakdown Voltage 30 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1 to 2.2 V. Tags: Surface Mount. More details for IPB180N03S4L-01 can be seen below.