The SESI 18 18K 1WR from Exxelia Technologies is a Space Qualified Inductor with Inductance 18 µH(No Load), Inductance Tolerance ± 20%, DCR 17 mOhms, Saturation Current 5.7 A(Rated), Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for SESI 18 18K 1WR can be seen below.