The 24FP-391K from Gowanda Electronics is a Power Inductor with Inductance 3.9 µH, Inductance Tolerance 0.1, DCR 17 milli-ohm, Saturation Current 6200 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Through Hole. More details for 24FP-391K can be seen below.