This is a dual inline package (DIP) crystal resonator manufactured by XTY and is compliant with the RoHS standard. It is rated at 1600 A1020-00 (5S3) and is meant for use in crystal oscillators. It can be used in a variety of devices, including microprocessors, clocks, and radios. It has two pins, each measuring 49S, enabling it to draw power from a power source. It is a small device making it easier to install and can be used in a variety of PCBs.