The SDC4D18-4R7N-LF from Coilmaster Electronics is a Power Inductor with Inductance 4.7 µH, Inductance Tolerance ±30 %, DCR 162 milli-ohm, Saturation Current 0.84 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for SDC4D18-4R7N-LF can be seen below.