The SCH3539T-180MHF from ITG Electronics is a Power Inductor with Inductance 18.00 µH, Inductance Tolerance ±20 %, DCR 0.047 ohm, Saturation Current 4.10 to 5.50 A, Temperature Operating Range -55 to 130 Degree C. Tags: Through Hole. More details for SCH3539T-180MHF can be seen below.