Crystal oscillator circuit, quartz resonator, Low frequency crystals - tatanh1983/conchodom GitHub Wiki

ABC2 Series 4 MHz ±30 ppm 18 pF -10 to +60 °C Surface Mount Ceramic Crystal

https://www.futureelectronics.com/p/electromechanical--timing-devices--crystals/abc2-4-000mhz-4-t-abracon-1087063