The CSDS5D28N180T from Cal-Chip Electronics is a Power Inductor with Inductance 18 µH, Inductance Tolerance ±30 %, DCR 0.110 ohm, Saturation Current 1.00 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS5D28N180T can be seen below.