The SDO1813-330M-LF from Coilmaster Electronics is a Power Inductor with Inductance 33 µH, Inductance Tolerance ±20 %, DCR 350.0 milli-ohm, Saturation Current 0.99 A, SRF 20 MHz. Tags: Surface Mount. More details for SDO1813-330M-LF can be seen below.