EKMH401VSN181MQ40W

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most commonly used types of capacitors. This form of capacitor is the most cost-effective solution for many applications, and can handle moderately high voltages, and large capacitance values. They are ideal for providing energy storing or energy smoothing applications.

EKMH401VSN181MQ40W

The EKMH401VSN181MQ40W is designed for a wide range of consumer applications. The capacitor is constructed from an aluminum electrolytic core and a self-healing electrolyte, able to withstand voltages up to 400V. Its ultra low-ESR design ensures low losses, and its ripple current is up to 81mA. The capacitor is encapsulated in a molded epoxy housing with two insulated terminals.

Application Field

Aluminum electrolytic capacitors, such as the EKMH401VSN181MQ40W, are most commonly used in voltage smoothing applications, for instance in DC/DC converters for adjustable lighting and motor speed control. They are also used in DC/AC conversion, such as in industrial inverters and battery power supplies. The wide range of applications for these capacitors can also be seen in consumer electronics where they are used in flashlights, digital cameras, and portable sound systems.

Working Principle

Aluminum electrolytic capacitors work by storing an electric charge in a thin layer of electrolyte that separates two layers of aluminum foil. The foil acts as anode and cathode of the device respectively. When voltage is applied across the capacitor, it creates an electric field across the electrolyte. This field results in an electrochemical reaction between the electrolyte molecules and the aluminum layers, resulting in the transfer of charge from one layer to the other. This process creates an electric field between the two layers, storing the electrical charge. The capacitor then releases it back into the circuit whenever the voltage drops.

The EKMH401VSN181MQ40W has a ripple current of 81 mA, which allows it to store up to 81 mA of charge. This makes it ideal for voltage smoothing applications, as it can store enough energy to provide a consistent output voltage to the load. This makes them especially useful for applications that require a stable voltage to maintain the operation of critical components.

Conclusion

The EKMH401VSN181MQ40W is an aluminum electrolytic capacitor designed for voltage smoothing applications. It is constructed from an aluminum electrolytic core and a self-healing electrolyte, and its ultra-low ESR design ensures low losses. Furthermore, its ripple current of 81mA makes it suitable for a wide range of consumer and industrial applications. This makes it an ideal choice for voltage smoothing applications, where it can ensure a consistent and stable output voltage.

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