The SJK 7U27120E16UCG is an SMD (Surface Mount Device) Crystal Resonator with a 3225/4PINSEAM package and RoHS (Restriction of Hazardous Substances) compliance. This crystal resonator has a frequency range of 18-50MHz and can be used for a variety of applications, including low-power-consumption control systems, wireless communication, and presence detection. It is a precision device offering excellent frequency stability and low-current consumption. This resonator also has an insulated case, which provides better protection against static electricity, and improved thermal conduction.