The CSDS3D18N1R5T from Cal-Chip Electronics is a Power Inductor with Inductance 1.5 µH, Inductance Tolerance ±30 %, DCR 0.056 ohm, Saturation Current 1.55 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS3D18N1R5T can be seen below.