The FN18N101J500PSG is a Multilayer Ceramic Capacitor (MLCC) manufactured by Prosperity and is classified as SMD/SMT type. It has a capacitance of 100pF and a voltage rating of 50V, housed in an 0603 size package, is compliant with the RoHS directive, and is Pb free. It is commonly used in a variety of consumer electronics, automotive applications, and industrial electronics.