For systems to operate, a rated (DC) voltage (URdc) of 1000V must be applied internally.In order to power systems, you must have a rated (AC) voltage of 300V (URac).
R413I1680DQ00M Features
a rated (DC) voltage (URdc) of 1000V an internal rated (AC) voltage (URac) of 300V
R413I1680DQ00M Applications
There are a lot of KEMET R413I1680DQ00M applications of film capacitors.