The CDB0420MR56T from Cal-Chip Electronics is a Power Inductor with Inductance 0.56 µH, Inductance Tolerance ±20 %, DCR 16 milli-ohm, Saturation Current 8.5 A, Temperature Operating Range -20 to 125 Degree C. Tags: Surface Mount. More details for CDB0420MR56T can be seen below.