861221483002

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Aluminum Electrolytic Capacitors

The 861221483002 model of capacitor is a type of aluminum electrolytic capacitor with a two-pin lead connection. It is polarized, has aluminum foils, and is designed for a wide range of applications. The capacitance is 0.22mF and the voltage rating is 10 V.

Aluminum electrolytic capacitors are capacitors that are composed of an aluminum oxide film and a solid electrolyte. They offer a very high energy density, making them ideal for applications that require high-power densities in order to operate properly. A significant advantage of aluminum electrolytic capacitors is their low cost relative to other types of capacitors.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on Faraday’s law of electrolysis. The aluminum foil acts as both an anode and a cathode, with the electrolyte being the medium through which electric charge between the two is conducted. The electrical current will flow from the cathode to the anode creating a charge difference. This charge difference accumulates on the capacitor creating an electrical potential difference.

When both terminals of the capacitor are connected to a circuit, the electric charge will be dissipated from the capacitor to the circuit. This is known as charging. Similarly, when the terminals are disconnected from the circuit, the charge stored in the capacitor will be released, causing the capacitor to discharge.

Aluminum electrolytic capacitors are also characterized by their high energy density, leakage current, and long life. The long life of these types of capacitors is due to the high electric charge they can store and the fact that they are relatively unaffected by dust or other environmental factors. Additionally, the aluminum oxide layer on the aluminum foil helps to create a strong and airtight seal, preventing any leaks.

Applications of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in a variety of industries and applications. They are commonly used in audio systems and television receivers for impedance matching, decoupling, and signal filtering. Additionally, these capacitors are often used to suppress transient surges, smooth out DC power supplies, and filter AC power lines.

Aluminum electrolytic capacitors also have many uses in digital electronics, including noise filtering, power supply ripple filtering, and clock oscillator buffering. Furthermore, they are also used in the automotive industry for fuel pumps, alternators, power windows, and power seats.

Finally, aluminum electrolytic capacitors are commonly used in the medical industry for defibrillator circuits, hearing aids, and other medical devices. In these applications, their high energy density and long life make them invaluable.

Conclusion

The 861221483002 model of capacitor is an aluminum electrolytic capacitor with two-pin lead connections. It is designed for a wide range of applications and offers a high energy density, low cost, leaking current, and long life. Aluminum electrolytic capacitors are widely used in audio, television, digital electronics, automotive, and medical applications for impedance matching, decoupling, noise filtering, power supply ripple filtering, and clock oscillator buffering.

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