Hello-  
I am rounding up the parts for my Cornet 2, and punched up Digikey part # P11423CT-ND, from the parts list, and it came up as a 250V ceramic cap.  But the description in the parts list is a 2kV cap.  Mouser has a Wima  MKP10 with the specified voltage.  Should I go for that?
Thanks, 
Dan