The CN4048M00009T8188019 is an SMD2016-4P Crystals ROHS electronic part produced by JWT. It has a frequency of 48MHz, a capacitance of 9pF, an impedance of 30O, and a temperature range of -40? to +85?. It has a tolerance of ±10ppm for frequency and ±20ppm for resistance. It is a RoHS-compliant part.