The 111SQ from Coilcraft is a Square Air Core Inductors series with exceptionally high quality factors up to 200 at 400 MHz. They are available in inductance values from 27 to 47 uH and have an SRF of between 2.2 and 2.6 GHz. The inductors have solder-coated leads to ensure excellent solderability and have a flat top and bottom for easy placement via pick and place machines. They are RoHS compliant, halogen-free and operate at temperatures up to 260 deg C.
