The WSF10D40-180MQ from AiT Semiconductor is a Power Inductor with Inductance 18.00 µH, Inductance Tolerance ±20 %, DCR 70.0 mOhm, Saturation Current 3.20 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for WSF10D40-180MQ can be seen below.