UCA Aluminum Electrolytic Capacitors Nichicon UCA Aluminum Electrolytic Capacitors are high ripple current and long life products with a standing load life of 12000 hours(10000 hours for φD=10) at +105°C. Nichicon UCA Capacitors are suited for ballast applications and is compliant to the RoHS directive (2011/65/EU). After 1 minute's application of rated voltage, leakage current of the CA Series is not more than 0.04CV+100 (μA).