The SDC4D18-150N-LF from Coilmaster Electronics is a Power Inductor with Inductance 15 µH, Inductance Tolerance ±30 %, DCR 240 milli-ohm, Saturation Current 0.50 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for SDC4D18-150N-LF can be seen below.