The LSXBD4040TKL221M from Taiyo Yuden is a Power Inductor with Inductance 220 µH, Inductance Tolerance ± 20 %, DCR 4000 to 4800 milli-ohm, Saturation Current 270 mA, SRF 4 MHz. Tags: Surface Mount. More details for LSXBD4040TKL221M can be seen below.