The CAP CER 1000PF 1.2KV X7R 2225 is a specific type of ceramic capacitor with several key characteristics. It has a capacitance value of 1000 pF and operates within a ±5 tolerance at an operating voltage of 1200V, also referred to as 1.2kV. This component falls under the X7R classification, which indicates its dielectric properties, and is housed in a 2225 package (also known as metric 5763).