The CSTLS4M19G56-B0 is an electronic part (ceramic resonator) with through-hole mounting for use in electronic circuits. It is manufactured by Murata and is compliant with the Restriction of Hazardous Substances (RoHS) Directives. It has an operating frequency of 4 MHz and the resonator is packaged in a hermetically sealed metal case, sealed with a ceramic lid. The device offers excellent performance characteristics and is ideal for various applications such as resonant frequency timing control, radio communication systems, switching control, and industrial automation.