The CSDS4D28N150T from Cal-Chip Electronics is a Power Inductor with Inductance 15 µH, Inductance Tolerance ±30 %, DCR 0.149 ohm, Saturation Current 0.90 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for CSDS4D28N150T can be seen below.