The S1C42944ZWJAC is a 4.2944 MHz 20pF ±20ppm HC-49S Crystals with ROHS compliant manufactured by JYJE. It is a electronic part that is commonly used in general-purpose frequency control applications or timing applications such as microcontrollers, synthesizers, quartz oscillators, frequency sources, cell phones, and other electronics. This part is made with industry-standard, low-power CMOS technology, offering excellent reliability and low EMI. It is also RoHS compliant, meaning it does not contain any hazardous materials. The frequency stability of ±20ppm is suitable for both frequency control and timing application usage.