The ESI 01 48K 1x from Exxelia Technologies is a Space Qualified Inductor with Inductance 48.56 µH(No Load), Inductance Tolerance ± 15%, DCR 492 mOhms, Saturation Current 0.49 A(Rated), Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for ESI 01 48K 1x can be seen below.