A CAP CER 820 PF 100 V C0G/ NP0 0805 is a type of ceramic capacitor. It has a capacitance value of 820 picofarads and can withstand voltages of up to 100 volts. This particular capacitor belongs to the C0G/NP0 class, which offers stable properties across temperature ranges. Its package size is 0805 (2012 Metric), making it suitable for compact designs.