The M27120E025 with SMD Crystal Resonators 27.120MHz ±20ppm SMD-3225_4P RoHS manufactured by East Crystal is an electronic part consisting of a miniature quartz crystal oscillator in a Surface Mount Device (SMD) package. This part has a frequency stability of ±0.02%. It is based on the AT-cut technology and has very low aging and low load capacitance. The part is RoHS compliant and is suitable for use in consumer, telecommunications, automotive, and many other electronic applications, making it a versatile and reliable part.