The CSTLS3M45G53-A0 is a SMD type resistor-capacitor-resonator from Murata, a manufacturer of electronic components. It is a ceramic type surface mounted component, with an operating temperature range of -40 °C to +85 °C. It has a rated frequency of 45.000 MHz, and a capacitance of 53 pF. The design of this product was created for the purpose of supplying high precision, stable, and reliable frequency components for various devices. This part is mainly used in oscillation circuits or in the electronic circuits for various frequency control or clock control. It is used in mobile phone communication, office automation, broadcast tuners, and many other electronic components.