The SDC4D18-820N-LF from Coilmaster Electronics is a Power Inductor with Inductance 82 µH, Inductance Tolerance ±20 %, DCR 1560 milli-ohm, Saturation Current 0.22 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for SDC4D18-820N-LF can be seen below.