BUY SG531PB-21.4772M https://www.utsource.net/itm/p/9448677.html

The SG531PB-21.4772M is a 4-pin, DIP (Dual In-line Package) quartz crystal oscillator manufactured by Epson. It has a frequency of 21.4772MHz, a load capacitance of 18pF and an operating temperature range of -10°C to +60°C. This oscillator is used in a variety of applications, including clock generation, frequency control, and timing in electronic circuits. It is suitable for use in consumer electronics, automotive, industrial, and medical applications. (For reference only)