X49ST2-12.000-F20JGDT is an electronic part manufactured by HCI, and is a 49S specialty crystal that operates at 12MHz. It has a 20pF load capacitance, 30O drive level, a frequency tolerance of ±30ppm, a temperature range of -40?~+85?, and is made with HC-49S-2P Crystals. It is RoHS compliant.