The IPC70N04S5L-4R2 from Infineon Technologies is a MOSFET with Continous Drain Current 53 to 70 A, Drain Source Resistance 3.4 to 6.1 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1.2 to 2 V. Tags: Surface Mount. More details for IPC70N04S5L-4R2 can be seen below.