The ECS-200-20-5PXDN-TR is a high-quality surface mount crystal oscillator with a frequency of 20.0000MHz and a tolerance of ±30ppm. It is designed for use in a wide temperature range from -40°C to 85°C and features a load capacitance of 20pF and an impedance of 30 Ohm. This SMD crystal oscillator is housed in a compact HC49/US package measuring 0.449" x 0.185" (11.40mm x 4.70mm), making it ideal for space-constrained applications that require precision timing and stability.