The ECS-HCMPI-0503Q-3R3M from ECS Inc. International is a Power Inductor with Inductance 3.3 µH, Inductance Tolerance ±20 %, DCR 23.1 milli-ohm, Saturation Current 8700 to 9500 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for ECS-HCMPI-0503Q-3R3M can be seen below.