The ECS-MPI4040R3-R47-R from ECS International is a Power Inductor with Inductance 0.47 µH, Inductance Tolerance ±20 %, DCR 10.3 milli-ohm, Saturation Current 17000 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ECS-MPI4040R3-R47-R can be seen below.