The part number is CAP CER 150PF 200V C0G/NP0 0603. It specifies a ceramic capacitor with the following characteristics: capacitance of 150 pF, tolerance of ±2, and voltage rating of 200 V. The capacitor is classified as C0G, which stands for NP0 in some designations, and it has a metric size of 1608 (equivalent to 0603 in imperial units).