The CL21B103KB6WPNC is a multilayer ceramic capacitor (MLCC) manufactured by Samsung. It has an SMD/SMT design with a 10nF +/- 10% capacitance value, a 50V X7R rating, and is rated for 2012 AEC-Q200 capability. The temperature coefficient is X7R, and it is designed to offer better electrical stability in higher temperature conditions. This MLCC is a general-purpose capacitor designed to provide reliable energy storage and release applications. It is mainly used in the fields of telecommunication, home electronics, automobiles, medical devices and other portable electrical equipment for signal filtering, voltage division, or signal isolation.