The PIA4018-1R2YQ from AiT Semiconductor is a Power Inductor with Inductance 1.20 µH, Inductance Tolerance ±30 %, DCR 42.0 milli-ohm, Saturation Current 3700 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for PIA4018-1R2YQ can be seen below.