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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an important type of capacitor that have lower losses, higher capacitance values, and higher voltage and ripple current ratings than other capacitors. The B43634A2188M000 is an aluminum electrolytic capacitor that is used in various applications. This article will discuss the application field and working principle of the B43634A2188M000.

Application Field

The B43634A2188M000 is designed for use in consumer electronics and industrial applications. The capacitor is well-suited for switch-mode power supplies, as well as other applications such as rectifiers, converters, inverters, voltage regulators, and audio circuits. The capacitor has a ripple current rating of 8.7A, a capacitance of 18,000uF, and a temperature coefficient of ±20%.

Working Principle

An aluminum electrolytic capacitor consists of two aluminum foils separated by a non-conductive paper, called the separator. The two aluminum foils are etched to create a very thin layer of aluminum oxide. This layer of aluminum oxide acts as the dielectric, or insulator, between the two layers of the capacitor. The capacitor also contains electrolytic liquid to further increase the dielectric constant of the capacitor. When a voltage is applied to the terminals of the capacitor, a current flows through the electrolyte, creating an electrical field. This electrostatic field creates an electrostatic induction between the two aluminum foils, resulting in a capacitance. This capacitance is what allows the capacitor to store and release energy.

Conclusion

The B43634A2188M000 is an aluminum electrolytic capacitor that is well-suited for a variety of applications, including switch-mode power supplies, rectifiers, converters, inverters, voltage regulators, and audio circuits. This capacitor has a ripple current rating of 8.7A, a capacitance of 18,000uF, and a temperature coefficient of ±20%. The working principle of the capacitor is based on the electrostatic induction created between the two aluminum foils, which allows the capacitor to store and release energy.

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