This is a Fixed Inductor manufactured by ABRACON, part number ASPI-0804T-470M-T. It is a 47uH, 1.6A, 140mO, surface-mount device. It is designed for use in a wide variety of electronic applications including power supplies, DC-DC converters, energy storage and radio communication circuits. The inductor is composed of a metal core with ferrite insulation and is rated for temperatures up to +155°C. The inductor is lead-free and RoHS compliant.