The following are some of the most important aspects to consider while selecting a capacitor:
DC Working Voltage (DCWV): This is the maximum DC voltage that a capacitor can withstand. If a larger voltage is given to the capacitor, the dielectric will break down and the capacitor will be damaged.
Polarity Markings on Capacitors: Some capacitors have polarity markings on them to show how they should be connected in a circuit. To avoid damaging the capacitor, care must be taken to ensure that the given polarity is followed.
Tolerance refers to the range of possible capacitor values. The tolerance will be indicated in addition to the nominal capacitance stated on the body.
Temperature Coefficient: This is the change in capacitance caused by temperature changes in the capacitor. It usually lowers the capacitor’s efficiency.