KY Mini Aluminum Electrolytic Capacitors Chemi-Con KY Miniature Aluminum Electrolytic Capacitors feature an innovative electrolyte employed to minimize ESR. The capacitors have 4000 to 10,000 endurance hours with ripple current at 105°C. The Chemi-Con KY Miniature Aluminum Electrolytic Capacitors offer a non-solvent resistant type and are RoHS compliant.