The ECS-MPI2520R0-4R7-R from ECS Inc. International is a RF Inductor with Inductance 4.7 µH, DC Resistance 240 to 288 mOhms, DC Current 1.4 A (Saturated), Operating Temperature -40 to 105 Degree C, Quality Factor 825. Tags: Chip Inductor. More details for ECS-MPI2520R0-4R7-R can be seen below.