The ECS-HCMPI-0503Q-R56M from ECS Inc. International is a Power Inductor with Inductance 0.56 µH, Inductance Tolerance ±20 %, DCR 4.52 milli-ohm, Saturation Current 20200 to 22200 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for ECS-HCMPI-0503Q-R56M can be seen below.