The OP322527MEDA4SI-u with SMD Oscillators (XO) 27MHz ±20ppm SMD-3225-4P RoHS is an electronic component manufactured by Yangxing. It is an SMD (surface mounted device) oscillator with a frequency of 27MHz ±20ppm, with 4 pins and RoHS compliant. This oscillator can be used for applications such as communications, instrumentation, and data processing. It has a stability of 20ppm and a low power consumption. The device is small, easy to install, and produces a low level of EMI (electromagnetic interference). It is capable of operating in a wide range of temperatures, and is suitable for small products.