The C0805N681J251T is a Multilayer Ceramic Capacitor (MLCC) manufactured by IHHEC/Holy Stone. It is an SMD/SMT type capacitor which has a capacitance of 680pF and a working voltage of 250 V. It is a 0805 component, meaning that it measures 0.08" x 0.05" (2.03mm x 1.27mm), and is RoHS compliant. It is a miniature capacitor made of a stack of alternating layers of ceramic and a conductive metal. It is suitable for applications that require high stability of parameters, such as filtering operations and signal stabilization.