.The TFX-04-32.768K with SMD Crystal Resonators is a surface-mountable frequency control device manufactured by RIVER. It is RoHS compliant, and consists of a 4.0x3.2mm resin-encapsulated SMD-1610-2P Crystal. It utilizes a quartz crystal with a frequency of 32.768 kHz and has a frequency stability of ±20 ppm. The device has a maximum shunt capacity of 6pF and an operating temperature range of -40°C to 85°C. Its features include low phase noise, low current consumption, and high shock resistance. This crystal makes it suitable for use in a variety of applications, including battery-powered systems.