The SESI 9.1 4K3 2WR from Exxelia Technologies is a Space Qualified Inductor with Inductance 4.3 µH(No Load), Inductance Tolerance ± 20%, DCR 40 mOhms, Saturation Current 2.8 A(Rated), Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for SESI 9.1 4K3 2WR can be seen below.