The CCD0503M1R8T from Cal-Chip Electronics is a Power Inductor with Inductance 1.8 µH, Inductance Tolerance ±20 %, DCR 0.03 ohm, Saturation Current 3.70 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CCD0503M1R8T can be seen below.