The CSDS4D18N101T from Cal-Chip Electronics is a Power Inductor with Inductance 100 µH, Inductance Tolerance ±30 %, DCR 1.730 ohm, Saturation Current 0.20 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS4D18N101T can be seen below.