The WSF10D40-270YQ from AiT Semiconductor is a Power Inductor with Inductance 27.00 µH, Inductance Tolerance ±30 %, DCR 87.0 mOhm, Saturation Current 2.40 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for WSF10D40-270YQ can be seen below.