Although capacitors are small, they play a very important role in electronic circuits. Here are 5 important roles of capacitors in electronic circuits.

capacitors

1. charging and discharging

Due to the construction, the capacitor energy is stored directly on the plate, thus making the charging/discharging process faster. The capacitor charge/discharge feature can also be used as a power source. Camera flashes make use of this property of capacitors.

2. Long life span

Capacitors have a long life cycle, nearly 10 to 15 years.

3. Economic efficiency

Capacitors can handle power losses efficiently, making electricity production more economical.

4. Keeping the voltage at the same level

Capacitors are also used to maintain the voltage at a certain level. They can be used to reduce voltage pulsations. When a high voltage is applied to a parallel circuit, the capacitor is charged and, conversely, it discharges as a low voltage is applied. Capacitors are therefore able to handle high voltage applications and are suitable for high frequency use cases.

5. Noise removal

Capacitors help to reduce noise by effectively filtering out unwanted frequencies. In general, since noise in DC is the AC component of high frequencies, it tends to pass through capacitors easily.

A branch circuit is inserted between the input and output to form a ground connection in the capacitor. As a result, only the AC component flows through the capacitor, while the DC component flows through the output circuit.

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