the invention provides a method for improving operation lifetime of a capacitor module in an electronic circuit employing the capacitor module , comprising the steps of providing two or more capacitor modules of same configuration ; and controlling alternately a respective one of the capacitor modules to operate in the electronic circuit for a first predetermined period of time . the invention also relates to a capacitor control circuit structure for use in a location of an electronic circuit previously occupied by an original capacitor module , and the capacitor control circuit structure exhibits the extended operation lifetime with respect to the original capacitor module . the invention also relates to the use of the capacitor control circuit structure in the electronic applications .