The SESI 18 27K 1WR from Exxelia Technologies is a Space Qualified Inductor with Inductance 27 µH(No Load), Inductance Tolerance ± 20%, DCR 25 mOhms, Saturation Current 4.7 A(Rated), Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for SESI 18 27K 1WR can be seen below.