The RDR664-681K-LF from Coilmaster Electronics is a Power Inductor with Inductance 680 µH, Inductance Tolerance ±10 %, DCR 2670 milli-ohm, Saturation Current 0.23 A, Temperature Operating Range -45 to 125 Degree C. Tags: Through Hole. More details for RDR664-681K-LF can be seen below.