The CJ13-400000910B20 with SMD3225-4P Crystals ROHS manufactured by Changjing Electronics Technology is an oscillator device used to sustain a specific frequency of operation. The oscillator features SMD-3225-4P leaded parts, and it is constructed using quartz crystal resonators and other components housed in a 4-pin, SMD-3225 package, with a tone of ROHS compliant material. This oscillator is designed to sustain an exact frequency of operation, preventing signal degradation or interference. It is a highly reliable component and can be used in a variety of industrial, scientific, and medical applications.