Capacitor is an electrical component that has the function of storing the electrical energy. It has many uses in electronic and electrical systems. Some the application for capacitor are Energy storage, Motor starter, Power conditioning, Suppression and coupling, Sensing, Oscillatory and many more.Besides, it can be usedin audio amplifiers of all types of phone(hi-fi to mobiles phones). The 40uf capacitor has power supply of  25V with low inpedance characteristics and high performance.