EEU-FR1E561LB Capacitors

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Aluminum electrolytic capacitors are among the most highly used and versatile capacitors in the electronic industry. They are the primary type of capacitor used for applications where high-surge, ripple current capabilities are required, such as in power supply filters and motor start-up circuits. However, in order to fully understand the application field and working principle of an aluminum electrolytic capacitor, such as the EEU-FR1E561LB, it is necessary to have an understanding of the fundamentals of electrolytic capacitors in general.

What are Electrolytic Capacitors?

Electrolytic capacitors are mainly used for energy storage. They most often consist of two metal electrodes that are layered with an insulating material known as the dielectric. The most commonly used dielectric is a type of aluminum oxide. As the name implies, electrolytic capacitors have an electrolyte, which can be either liquid or solid. Unlike other capacitor types, the aluminum electrolytic capacitor has a larger capacitance than other types of capacitors such as ceramic or film. This larger capacitance, combined with their relatively low cost, makes them ideal for high energy storage needs.

The Application Field of the EEU-FR1E561LB Aluminum Electrolytic Capacitor

The EEU-FR1E561LB is an aluminum electrolytic capacitor with an operating temperature range from - 40 °C to + 105 °C. It has an extended surge capability and is applicable for use in a variety of fields, including motor drives, heavy-duty inverters, and power supplies. The product is especially suitable for applications where the ripple current requirements exceed the normal base capacitor ratings. These applications include electronic power supplies, motor drives, and inverter circuits.

The Working Principle of the EEU-FR1E561LB Aluminum Electrolytic Capacitor

The EEU-FR1E561LB aluminum electrolytic capacitor uses a pair of opposing metal plates, one of which is made from aluminum and the other from a combination of aluminum and nickel, with a dielectric of electrolyte material in between them. The passage of charge back and forth between the oppositely charged plates creates an electrical field that is used to store energy. This capacitive action is the same as the type of energy storage found in non-aluminum electrolytic capacitors.

In addition to the capacitance, the EEU-FR1E561LB aluminum electrolytic capacitor also has an extended surge capability and a high ripple current rating, which makes it suitable for applications where high-surge, ripple current ratings are required. These applications include power supply filters, motor start-up circuits, and other applications where a higher capacitance than that provided by regular capacitors is needed.

Conclusion

The EEU-FR1E561LB aluminum electrolytic capacitor is a versatile and highly effective component suitable for a number of different applications. It has an extended surge capability and a high ripple current rating, which make it suitable for use in a variety of fields. Additionally, its construction allows it to have high capacitance and energy storage capability for low cost. Therefore, it can be a suitable choice for applications where high-surge, ripple current requirements are needed.

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