The part number is 564R20TSD15QA and it corresponds to a CAP CER 1500PF 2KV X7R RADIAL ceramic capacitor. This component has a capacitance of 1500 pF with a tolerance of ±10% and can withstand a maximum voltage of 2000V (2kV). It is classified as an X7R radial capacitor, which is commonly used in electronic circuits due to its stable dielectric properties over a wide range of temperatures.