The SESI 18 49K 1WR from Exxelia Technologies is a Space Qualified Inductor with Inductance 49 µH(No Load), Inductance Tolerance ± 10%, DCR 45 mOhms, Saturation Current 3.5 A(Rated), Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for SESI 18 49K 1WR can be seen below.