The IPB140N08S4-04 from Infineon Technologies is a MOSFET with Continous Drain Current 100 to 140 A, Drain Source Resistance 3.5 to 4.2 Mohms, Drain Source Breakdown Voltage 80 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IPB140N08S4-04 can be seen below.