Description: The Raltron Electronics AS-4.000-18 Crystal is a 4MHz quartz crystal oscillator with an 18pF load capacitance and a HC-49S package.

Features: This crystal oscillator has a frequency stability of ±20ppm over a temperature range of -20°C to +70°C. It also has a low aging rate of ±3ppm/year and a low ESR of 30Ω max.

Applications: The Raltron Electronics AS-4.000-18 Crystal is suitable for use in a variety of applications, including clock generation, frequency synthesis, and timing circuits. It is also suitable for use in microprocessor-based systems, such as computers, cellular phones, and other electronic devices.