The SPD4D18-221M from CODACA Electronic is a Power Inductor with Inductance 220 µH, Inductance Tolerance ±20 %, DCR 2640 to 3168 milli-ohm, Saturation Current 0.24 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for SPD4D18-221M can be seen below.