The CSDS4D18N150T from Cal-Chip Electronics is a Power Inductor with Inductance 15 µH, Inductance Tolerance ±30 %, DCR 0.240 ohm, Saturation Current 0.50 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS4D18N150T can be seen below.