The AA27000001 is an SMD crystal resonator from TXC Corporation. It has a frequency of 27MHz and a tolerance of ±30ppm, which is well-suited for applications requiring precise frequency control such as GPS receivers, cellular phones, TV receivers and satellite systems. The component is an ultra-small, surface-mount device that requires a single 5032 footprint for installation. It is RoHS compliant and built according to international safety and environmental standards.