The SEP0402E-4R7M-LF from Coilmaster Electronics is a Power Inductor with Inductance 4.7 µH, Inductance Tolerance ±20 %, DCR 105.0 milli-ohm, Saturation Current 1.75 A, Temperature Operating Range -55 to 120 Degree C. Tags: Surface Mount. More details for SEP0402E-4R7M-LF can be seen below.