EMI suppressors. 600 Ohm @ 100MHz.
Associated Components Technology CBC0805-600-202
EMI suppressors / Multilayer chip beads. 600 Ohm @ 100MHz. DCR: 0.10 Ohm. 2000mA. High current. Features: 100% magnetic shielding, absolutely zero cross talk. Package: 0805 SMD. Operating temperature: -55 to 125 Deg C. More info:
http://www.act1.com/data_sheets/CBC.pdf