EKXL421ELL680MU30S

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Aluminum electrolytic capacitors are one of the most commonly used form of capacitors in electronics circuits. They are used in various applications, ranging from power supplies to signal conditioning. One of the most popular types of aluminum electrolytic capacitors is the EKXL421ELL680MU30S. In this article, we will discuss the application field and working principle of the EKXL421ELL680MU30S.

Application field of the EKXL421ELL680MU30S

The EKXL421ELL680MU30S is primarily designed as a power supply filtering capacitor. It is used to filter out high frequency pulse noise and electric spikes, ensuring the smooth operation of the equipment. It is also used in oscillatory circuits, timing control circuits, and signal processing circuits.

Due to its high ripple current rating, the EKXL421ELL680MU30S is also used in high frequency rectifiers and inverters, as well as in DC-DC Converters. It is also used in the power amplifier circuits of audio devices.

Working Principle of the EKXL421ELL680MU30S

The EKXL421ELL680MU30S is an aluminum electrolytic capacitor. As the name suggests, it is constructed using two aluminum plates, an electrolyte, and an insulating separator. The aluminum plates act as the two electrodes of the capacitor, while the electrolyte and separator act as a dielectric material.

When voltage is applied to the capacitor, a reaction occurs between the aluminum plate, the electrolyte, and the separator. This reaction creates a thin layer of insulating oxide on the surface of the aluminum plates, thereby increasing the surface area and allowing the capacitor to store more charge. This process acts as a double-layer capacitance, allowing for high capacitance values.

The EKXL421ELL680MU30S also features a low ESL, meaning low Equivalent Series Inductance. This makes it ideal for use in high-frequency pulse filtering circuits. Furthermore, the EKXL421ELL680MU30S features a high ripple current rating, making it suitable for power supply filtering applications.

Conclusion

The EKXL421ELL680MU30S is an aluminum electrolytic capacitor specifically designed for power supply filtering applications. It features a high ripple current rating and low ESL, making it ideal for use in oscillatory circuits, timing control circuits, signal processing circuits, high frequency rectifiers and inverters, and DC-DC converters. Its working principle is based on the double-layered capacitance effect, allowing for high capacitance values.

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