The part number is CAP CER 82PF 200V C0G/NP0 1812. This is a ceramic capacitor with a capacitance value of 82 picofarads (pF), rated for a voltage of 200 volts, and having a tolerance of ±2%. It belongs to the C0G/NP0 class, which is known for its stable characteristics over temperature. The size of this component is 1812 metric, equivalent to 4532 in other units.