The ECS-MPI4040R1-R10-R from ECS International is a Power Inductor with Inductance 0.09 µH, Inductance Tolerance ±20 %, DCR 8.5 milli-ohm, Saturation Current 32000 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ECS-MPI4040R1-R10-R can be seen below.