FKP4 Self Healing Pulse Film/Foil Capacitors WIMA FKP4 Self Healing Pulse Film/Foil Capacitors are polypropylene (PP) capacitors suitable for high current loads with a maximum of operating safety. Self-healing, by way of the metallized floating electrode, is combined with exceptionally safe bonding of the metal foil. The WIMA FKP4 Self Healing Pulse Film Capacitors are available with capacitances of 100pF to 1.5µF and rated voltages of 400-, 630-, 1000-, 1250-, 1600-, and 2000-VDC. The FKP4 is ideal for high pulse and high frequency applications such as switch mode power supplies, converter in drives and power electronics, deflection systems in monitors and televisions, and electronic ballasts.