EKXG201ELL151ML25S

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Aluminum Electrolytic Capacitors

Aluminum Electrolytic Capacitors, or commonly known as Al Cap for short, are passive electrical components that are often used in a wide range of electronic and electrical applications. They are particularly known for their ability to store electrical energy and to hold a charge, making them extremely useful in regulating voltage and current. Al Cap are found in a variety of form factors, with most of them having a cylindrical body coated by an oxide layer.

The EKXG201ELL151ML25S is one example of an Al Cap, and is typically used in applications where high capacitance, stable performance and long life time are needed. It is a surface mount tantalum Al Cap with a capacitance of 470uF and a working voltage of 4V-15V.

Application Field

The EKXG201ELL151ML25S Al Cap is most commonly used in applications that require high capacitance in a small form factor. Examples include power supplies, regulator circuits, switch mode power supplies (SMPS), and charging circuits. This type of Al Cap is also often used to control noise and reduce ripple in circuit, improving the performance of electric equipment.

Working Principle

As with all aluminum electrolytic capacitors, the EKXG201ELL151ML25S uses an electrolyte dielectric (typically a solution of borax or potassium hydrate) between two layers of aluminum foil. One of the aluminum layers is etched in order to create a thin film with a large surface area that is then coated with an oxide layer. When a voltage is applied across the two layers, a reaction takes place between the metal and electrolyte, generating a charge that the capacitor can store for a period of time.

When the voltage is disconnected, the reaction ceases and the capacitor is able to discharge the stored energy. This process allows the Al Cap to be used to regulate voltage and current in circuits, and to protect sensitive components from voltage spikes. Al Cap can also be used in high frequency applications such as resonant tank circuits and filter circuits, making them extremely versatile and useful in a wide range of applications.

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