The RDR664-1R3M-LF from Coilmaster Electronics is a Power Inductor with Inductance 1.3 µH, Inductance Tolerance ±20 %, DCR 20.6 milli-ohm, Saturation Current 3.70 A, Temperature Operating Range -45 to 125 Degree C. Tags: Through Hole. More details for RDR664-1R3M-LF can be seen below.