The ECS-HCMPI-0503Q-4R7M from ECS International is a Power Inductor with Inductance 4.7 µH, Inductance Tolerance ±20 %, DCR 36.3 milli-ohm, Saturation Current 7000 to 8200 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for ECS-HCMPI-0503Q-4R7M can be seen below.