The part number is CAP CER 0.047UF 1.5KV X7R 2220, which refers to a ceramic capacitor with specific characteristics. It has a capacitance value of 0.047 microfarads and is rated for 1500 volts (1.5 kilovolts). The designation X7R indicates that it belongs to the X7R dielectric class, which is known for its stable temperature coefficient and high insulation resistance. This capacitor is packaged in the metric size 2220 and has a tolerance of ±10%.