The PIA4018L-1R8MQ from AiT Semiconductor is a Power Inductor with Inductance 1.80 µH, Inductance Tolerance ±20 %, DCR 41.0 milli-ohm, Saturation Current 3100 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for PIA4018L-1R8MQ can be seen below.