The SPD4D18-1R2N from CODACA Electronic is a Power Inductor with Inductance 1.20 µH, Inductance Tolerance ±30 %, DCR 24.7 to 29.6 milli-ohm, Saturation Current 2.70 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for SPD4D18-1R2N can be seen below.