B43584E2828M000

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Aluminum electrolytic capacitors are the most widely used capacitors in the industry with a wide range of applications. B43584E2828M000 is a type of aluminum electrolytic capacitor developed by EPCOS Corporation. This article will discuss the application field and working principle of this capacitor.

Application Field

B43584E2828M000 aluminum electrolytic capacitor is designed with features of large capacity, low equivalent series resistance (ESR), long life and small size, so it is mainly used in applications requiring high capacity, low ESR and long life. For example, this capacitor can be used in power supplies, batteries, power converters, solar energy storage and other applications which need high energy storage. Other than high energy storage, the capacitor is also widely used in high-frequency applications, such as switching power supply, motor control, communication equipment, computer motherboards, vehicles and other high-frequency applications. In addition, the capacitor can also be used in temperature compensation and noise regulation of various circuit systems.

Working Principle

B43584E2828M000 aluminum electrolytic capacitor consists of two load-resistant aluminum alloy foil sheets, an absorbent paper separator and a non-conductive organic electrolyte or an aqueous electrolyte. The two load-resistant aluminum alloy coating has a much higher electrical resistance than the non-conductive electrolyte. This increases the electrical insulation between the two aluminum alloy foils. The presence of the absorbent paper separator prevents short-circuiting between the two layers by absorbing electrolyte and electrolytic capacitors with organic electrolyte have a suitable performance temperature range from -25°C to 85°C.

When a direct current is applied to the electrolytic capacitor, the positive and negative charge-carrying ions of the electrolyte form an electric double layer between the two layers of aluminum alloy foil, forming a capacitor that works similarly to air. The capacitance of the capacitor is proportional to the width of the electric double layer, which is ultimately determined by the distance between the aluminum alloy foils and the viscosity of the electrolyte, which is also determined by the temperature rise of the electrolyte.

Conclusion

B43584E2828M000 aluminum electrolytic capacitor is a very popular type of capacitor that can be used for many applications. It has many advantages such as high capacity, low equivalent series resistance (ESR), long life and small size. The capacitor works by having two layers of aluminum alloy foil with a non-conductive electrolyte, forming an electric double layer and having a capacitance proportional to the width of the electric double layer.

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