The ECS-MPI2520R0-3R3-3 from ECS International is a Power Inductor with Inductance 3.3 µH, Inductance Tolerance ±20 %, DCR 190 to 228 milli-ohm, Saturation Current 1600 mA, Temperature Operating Range -40 to 105 Degree C. Tags: Surface Mount. More details for ECS-MPI2520R0-3R3-3 can be seen below.