The CAP CER 56PF 500V C0G/NP0 2225 is a type of ceramic capacitor. It has a capacitance value of 56 pF and operates at a voltage of 500 volts. This capacitor belongs to the C0G or NP0 class, which indicates its stable temperature characteristics. The product code "1B" specifies that it meets the requirements of certain industry standards. Additionally, the part number "2225" refers to the metric size, while "5763" is a different reference number for this same capacitor type.