NDK Crystals NX2012SA-32.768KHZ-EXS00A-MU00626 is a 32.768 kHz quartz crystal oscillator from NDK. It is a 6-pin SMD (Surface Mount Device) crystal with a frequency stability of ±20 ppm. It has a frequency tolerance of ±30 ppm and an operating temperature range of -20°C to +70°C. It is suitable for use in a wide range of applications, including clocks, watches, and other timing devices. It is also suitable for use in automotive, medical, and industrial applications. The crystal is RoHS compliant and has a low power consumption of 1.2 mW. It is also highly reliable and has a long life expectancy.