The ECS-MPI2520R1-4R7-R from ECS International is a Power Inductor with Inductance 4.7 µH, Inductance Tolerance ±20 %, DCR 150 to 180 milli-ohm, Saturation Current 1900 mA, Temperature Operating Range -40 to 105 Degree C. Tags: Surface Mount. More details for ECS-MPI2520R1-4R7-R can be seen below.