The ECS-MPI4040R4-1R5-R from ECS International is a Power Inductor with Inductance 1.5 µH, Inductance Tolerance ±20 %, DCR 23 milli-ohm, Saturation Current 6900 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ECS-MPI4040R4-1R5-R can be seen below.