The IPD70N03S4L-04 from Infineon Technologies is a MOSFET with Continous Drain Current 70 A, Drain Source Resistance 3.6 to 6.5 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 IPD70N03S4L-04 can be seen below.