The CSDS5D28N681T from Cal-Chip Electronics is a Power Inductor with Inductance 680 µH, Inductance Tolerance ±30 %, DCR 4.500 ohm, Saturation Current 0.18 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS5D28N681T can be seen below.