The CAP CER 390PF 1.5KV NP0 1812 is a specific type of ceramic capacitor with the following characteristics: it has a capacitance value of 390 pF and is rated for ±5% tolerance. The voltage rating is 1500V (1.5kV), indicating its high withstand capacity. This component belongs to the C0G, NP0 series in the 1812 (4532 Metric) case size.