The CSDB1004M221T from Cal-Chip Electronics is a Power Inductor with Inductance 220 µH, Inductance Tolerance ±20 %, DCR 756.0 Mega-ohm, Saturation Current 0.92 A, Temperature Operating Range -40 to 85 Degree C. Tags: Surface Mount. More details for CSDB1004M221T can be seen below.