The Micro Crystal Crystals CC4V-T1A-32.768KHZ-12.5PF-20PPM-TA-QC is a surface mount crystal oscillator designed for use in a variety of applications. It features a frequency of 32.768KHz, a capacitance of 12.5pF, and a temperature stability of 20ppm. The crystal is designed to be used in a wide range of applications, including automotive, industrial, and consumer electronics. It is also RoHS compliant and has a high level of reliability and accuracy. The crystal is easy to install and is suitable for use in a variety of environments. It is an ideal choice for applications requiring a reliable and accurate oscillator.