The CSBX1809-4R7M from CODACA Electronic is a Power Inductor with Inductance 4.70 µH, Inductance Tolerance ±20 %, DCR 2.85 to 3.40 milli-ohm, Saturation Current 39 A, Temperature Operating Range -55 to 150 Degree C. Tags: Surface Mount. More details for CSBX1809-4R7M can be seen below.