TT-SMDC-3.6864-20-TR is a surface mount ceramic oscillator from Raltron. It has a 3.6864MHz frequency, a ±20ppm tolerance, and is designed for a lead-free reflow soldering process. The package measures 6.5mm x 5.0mm and has an operating temperature range of -20°C to 70°C. This type of oscillator is used in a wide range of applications including telecom, cellular, satcom, automated metering, medical devices, and other digital and analogue circuits.