R41 & R46 Series Film Capacitors KEMET R41 and R46 Series Film Capacitors are metallized polypropylene Film Capacitors that have self-healing properties. The R41 and R46 Series Film Capacitors from KEMET are used as interference suppressors for across-the-line applications and are suitable for use where failure of the capacitor could lead to danger of electric shock. The R41 series replaces the R73 series.