The ECS-HCMPI-0503Q-1R8M from ECS International is a Power Inductor with Inductance 1.8 µH, Inductance Tolerance ±20 %, DCR 12.7 milli-ohm, Saturation Current 11300 to 12300 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for ECS-HCMPI-0503Q-1R8M can be seen below.