For systems to operate, a rated (DC) voltage (URdc) of 1600V must be applied internally.In order to power systems, you must have a rated (AC) voltage of 650V (URac).
F450RF224J1K6C Features
a rated (DC) voltage (URdc) of 1600V an internal rated (AC) voltage (URac) of 650V
F450RF224J1K6C Applications
There are a lot of KEMET F450RF224J1K6C applications of film capacitors.