B43044A2227M

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are capacitor devices made from two aluminum foils with an oxide layer as dielectric material, gas-filled and sealed in an aluminum case with epoxy resin as a cover. They have the highest capacitance-volume ratio amongst commercial capacitor types and are a key component of many electronic devices. Aluminum electrolytic capacitors are available in various sizes, capacitance values, and operating temperatures.

B43044A2227M

The B43044A2227M is a radial-style aluminum electrolytic capacitor. This type of capacitor is often used in high-frequency applications due to its low equivalent series resistance (ESR). It is available in a variety of capacitance values up to 220 µF. These capacitors are rated to operate at a maximum voltage of 630V and a maximum temperature of 105°C. Additionally, the B43044A2227M has a maximum ripple current rating of 0.7A and a maximum ripple voltage of 850mVp-p.

Applications

Aluminum electrolytic capacitors are commonly used in a wide range of electronic applications, such as power supplies, amplifiers, motor control, and other audio/video applications. The B43044A2227M is most often used in power supplies and decoupling circuits.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the Faraday’s law of electrolysis. When a potential difference is applied across the electrodes of an electrolytic capacitor, ions are attracted and accumulate around the opposite electrodes. This forms an electric double layer and has an electrostatic effect that creates a capacitance. The capacitance is directly related to the size of the electrodes and the amount of electrolyte solution soaked within the capacitor.

Conclusion

Aluminum electrolytic capacitors are widely used in various electronic applications regardless of their size. The B43044A2227M is a radial-style aluminum electrolytic capacitor that is used in high frequency applications due to its low ESR rating. Its high capacitance-to-volume ratio and temperature rating make it an ideal choice for power supplies and decoupling circuits.

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