This is an O1212D100MEEA4SC 100MHz Through Hole Oscillator (XO) with DIP Package from Yangxing. It has a frequency accuracy of ±25ppm, and is RoHS Compliant. It is specifically designed for general-purpose applications, including communications, datacom, instrumentation, and embedded designs. This Oscillator features a high-grade-quartz frequency control element and a low power consumption, making it suitable for battery-powered applications. It is also highly resistant to shock and vibration, making it ideal for use in industrial and automotive applications. The device is Lead (Pb) Free, Halide Free and features through hole mounting for easy integration into an existing circuit.