The ECS-MPI2520R1-4R7-R from ECS Inc. International is a RF Inductor with Inductance 4.7 µH, DC Resistance 150 to 180 mOhms, DC Current 1.6 A (RMS), 1.9 A (Saturated), Operating Temperature -40 to 105 Degree C, Quality Factor 825. Tags: Chip Inductor. More details for ECS-MPI2520R1-4R7-R can be seen below.