The SG-8018CA-20.000000MHz-TJHSA with SMD Oscillators (XO) SMD-7050_4P RoHS are quartz oscillators manufactured by Epson. These oscillators feature a 20 MHz frequency, RoHS compliance, and 4 mounting pins. They are packaged in a 7050 4-pin SMD (Surface Mount Device) package which is 7mm x 5mm in dimension, and offer excellent stability and accuracy, making them a great choice for use in consumer, automotive and medical applications. These oscillators also feature a very low power consumption of 4.5mA. They are also suitable for surface mount applications.