The HTPT66-391K from API Delevan is a Power Inductor with Inductance 0.39 µH, Inductance Tolerance ± 10%, DCR 2 milli-ohm, Saturation Current 26600 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Through Hole. More details for HTPT66-391K can be seen below.