The X49SM110592MSD2SC is an 11.0592MHz +/-20ppm HC-49SMD RoHS SMD crystal resonator manufactured by Yangxing. This is a surface mount, miniature, quartz crystal resonator, featuring a frequency accuracy of +/-0.02%. It is RoHS compliant, and offers low aging and a good frequency vs. temperature stability. The maximum connect voltage is 12V, and has an operating temperature range of -40c to 85c. This part is widely used in consumer electronics, such as laptops, phones, tablets, and more.