EKY-250ELL221MHB5D

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Aluminum electrolytic capacitors are components that comprise of two parts, a dielectric and a metal plate, which act as an electrical insulator. EKY-250ELL221MHB5D is a common type of aluminum electrolytic capacitor which can be used in a variety of applications due to its superior construction.

Features

EKY-250ELL221MHB5D capacitors have the following features:

• Maximum operating temperature is +105°C;
• Rated voltage of 250VAC;
• High insulation resistance;
• Long-lasting operation;
• Excellent storage capacity.

Applications

The EKY-250ELL221MHB5D capacitor is suitable for a variety of different applications due to its superior features, including the following:

• Power supply electrolytic capacitance;
• Audio frequency coupling;
• Transformerless lag filtering.

The capacitor is also useful for applications such as motor run and start-up, pulse power supply and servo control loops.

Working Principle

The EKY-250ELL221MHB5D capacitor is an aluminum electrolytic capacitor. This means that it uses the principle of electrochemical double layer capacitance to store charge. When an electrical potential is applied across the plates of the capacitor, a chemical reaction takes place which forms a thin layer of oxide on the surface of the aluminum plate, thus creating a high dielectric strength and a low resistance path. This layer of oxide between the plates acts as an insulator, allowing the capacitor to store charge.

At the same time, an electrical field is created between the plates and when a voltage is applied, charge is stored on these plates. This is the process that allows the capacitor to store energy.

The main advantage of using this type of capacitor is that it has a high capacitance-volume ratio. This means that the capacitor is able to store more charge in a smaller size than other capacitors.

Conclusion

The EKY-250ELL221MHB5D capacitor is an ideal choice for many types of applications due to its superior features. It is an aluminum electrolytic capacitor which is able to store greater amounts of charge than comparable types because of its high capacitance- volume ratio. It has a maximum operating temperature of +105°C and is suitable for applications such as power supplies, audio frequency couplings and transformers lag filtering.

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