Technology?The M27000J518 with SMD Crystal Resonators 27MHz ±20ppm SMD-3225-4P RoHS is an electronic component manufactured by East Crystal Technology. It is a surface mount, four-pad crystal resonator with a 27MHz frequency and an accuracy of ±20ppm. This part is lead-free RoHS compliant and is suitable for a wide variety of applications such as radios, computers, TVs, phones, and other consumer electronics. Its small size and high frequency makes it well suited for portable circuitry and embedded systems.