The CSDS5D18N8R9T from Cal-Chip Electronics is a Power Inductor with Inductance 8.9 µH, Inductance Tolerance ±30 %, DCR 0.116 ohm, Saturation Current 1.25 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS5D18N8R9T can be seen below.