The RTT028660FTH is an 866-ohm, 0402-size surface-mount chip resistor manufactured by RALEC. It has a tolerance of ±1%, a power rating of 1/16 W, and is RoHS compliant. The component has a small size, low power consumption, and a high-thermal stability making it suitable for use in various electronic circuits. The resistor can be used in a variety of applications such as in DC-DC converters, amplifier gain control, LED drivers, and power supplies.