The CSDS3D18N1R0T from Cal-Chip Electronics is a Power Inductor with Inductance 1.0 µH, Inductance Tolerance ±30 %, DCR 0.050 ohm, Saturation Current 2.40 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS3D18N1R0T can be seen below.