EKMR421VSN391MA30S

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Aluminum electrolytic capacitors are widely used in the electronic industry, such as for power supply or motor drive applications. They are a type of capacitor that utilizes a chemical reaction between an electrolyte and an aluminum oxide layer to store electric charge. The EKMR421VSN391MA30S is an aluminum electrolytic capacitor that is designed for use in high-voltage and high-frequency applications, such as switching power supplies, other power conditioning applications, and motor drive.

Working Principle

An aluminum electrolytic capacitor works by storing charge which is gained from the chemical reaction between an electrolyte and the metal oxide film formed on the aluminum plates. The magnitude of the electric charge stored in the capacitor is determined by the amount of electrolyte used, the type of aluminum used, and the thickness of the oxide film.

Construction

The EKMR421VSN391MA30S consists of two aluminum plates, an electrolyte, and a separator. The plates are made from high voltage aluminum and are then etched using a process called anodization. This process etches away parts of the surface and leaves a thin film of oxide on the plates. The electrolyte is then applied and a separator is placed between the two plates to prevent short circuits.

Features

The EKMR421VSN391MA30S is a surface-mount aluminum electrolytic capacitor that has a rated voltage of 420V and a maximum ripple current of 300mA. It is rated for use in high-voltage and high-frequency applications, such as switching power supplies, other power conditioning applications, and motor drives. It also has a high capacitance-to-volume ratio and a long life expectancy due to its improved electrolyte and aluminum oxide film. It is also RoHS compliant, making it a safe and reliable option for any application.

Applications

The EKMR421VSN391MA30S is designed for use in high-voltage and high-frequency applications, such as switching power supplies, power conditioning, and motor drive applications. It is also well suited to high temperature applications, such as automotive applications. In addition, it is also well suited for applications that require a high capacitance-to-volume ratio, such as power supplies, or high current applications such as motor drives.

Conclusion

The EKMR421VSN391MA30S is a surface-mount aluminum electrolytic capacitor that is designed for use in high-voltage and high-frequency applications, such as switching power supplies, other power conditioning applications, and motor drive. It is well suited for high temperature applications, such as automotive applications, and it also has a high capacitance-to-volume ratio and a long life expectancy due to its improved electrolyte and aluminum oxide film. It is also RoHS compliant, making it a safe and reliable option for any application.

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