The SDH5030-1R8M-LF from Coilmaster Electronics is a Power Inductor with Inductance 1.83 µH, Inductance Tolerance ±20 %, DCR 2.60 milli-ohm, Saturation Current 21.8 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for SDH5030-1R8M-LF can be seen below.