The AC0402JRNPO9BN300 is a surface mount multilayer ceramic capacitor (MLCC) manufactured by Yageo. It has a capacitance of 30pF, a tolerance of 5%, and a working voltage rating of 50V. It is AEC-Q200 compliant, which means it has met the requirements of the Automotive Electronics Council (AEC) for the manufacture of automotive-grade components. It is well-suited for use in automotive applications such as radio circuitry, GPS navigation systems, and rearview cameras. It features an Epoxy Molding Compound (EMC) package, which provides excellent mechanical strength as well as resistance to moisture, temperature, and vibration.