The IPB70N04S4-06 from Infineon Technologies is a MOSFET with Continous Drain Current 70 A, Drain Source Resistance 5.3 to 6.5 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for IPB70N04S4-06 can be seen below.