The 49SAC16000222060 is a DIP-type crystal resonator HC-49S RoHS manufactured by JGHC. It is made of an oscillation element, circuit elements, and a body, and is sealed with a resin. The resonator helps to cut down the size of electronic devices, and it is used mainly for resonance circuit applications and for setting the frequency of clocks. It has an operating temperature range of -30°C to 70°C, and a frequency range of 4 MHz to 30 MHz. It is RoHS compliant and it is designed for easy mounting on printed circuit boards.