The CAP CER 33PF 1KV C0G/NP0 1111 is a specific type of ceramic capacitor. It has a capacitance rating of 33 pF ±2 and can withstand voltages up to 1000V, or 1kV. This component falls under the category of C0G/NP0 (1B) with the marking code 1111, which is also identified as metric size 2828.