The PIA4018L-221MQ from AiT Semiconductor is a Power Inductor with Inductance 220.00 µH, Inductance Tolerance ±20 %, DCR 3780.0 milli-ohm, Saturation Current 330 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for PIA4018L-221MQ can be seen below.