The CJ15-400001210A20 SMD2520-4P Crystal ROHS manufactured by Changjing Electronics Technology is an electronic component designed to provide reliable frequency control for a range of applications. The 4-pin SMD2520 form-factor package features a built-in frequency aging adjustment of 20ppm. This product is RoHS compliant and can operate within a temperature range of -30°C to 85°C. It has a frequency range of 24.5MHz ~ 25.0MHz, an aging rate of 20ppm / year, and an ESR range of 45KO to 55KO, making it suitable for a variety of applications. The maximum load capacitance is 6pF, which provides good frequency stability. Additionally, it has excellent anti-surge performance and low-power consumption.