ELXS421VSN221MQ35S

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Aluminum Electrolytic Capacitors are a type of polarized capacitors with a larger capacitance per unit volume than other types of capacitors, making them widely used in electronic circuits. The ELXS421VSN221MQ35S is an aluminum electrolytic capacitor which is used for various applications such as lighting, buffering, filtering, and coupling, to name a few.

This capacitor is constructed from a layer of aluminum oxide, with a cathode aluminum electrode at the bottom, and a series of electrolyte-contacted layers of anodes and cathodes. When an electric field is applied, the charge stored between the electrolyte layers is separated, creating a capacitor. Such construction prevents the leakage of charge, thus providing a high capacitance value per unit area.

The ELXS421VSN221MQ35S has a wide range of application fields, due to its various features and excellent capacitance stability. It is used mainly in buffering, lighting, and filtering applications. It also has a stable breakdown voltage, and low leakage current, which make it suitable for use in a wide range of circuits.

Aside from its many advantages, this capacitor also displays unique features, such as its extended temperature range and low equivalent series resistance (ESR). The ELXS421VSN221MQ35S is rated for operation from -55°C to 125°C and its ESR is typically lower than 0.0017 Ohms. This type of capacitor is also able to tolerate variances in temperature-time combinations and also does not require even and smooth temperature changes.

In terms of working principle, this aluminum electrolytic capacitor works like other polarized capacitors, with a cathode and an anode. When a voltage is applied, an electric field is generated, forcing charges to one side of the dielectric layer between the electrolyte layers. This creates a capacitance which is dependent on the area and thickness of the anode and cathode plates. The presence of the dielectric also allows for a very high capacitance to be generated.

The ELXS421VSN221MQ35S is also highly reliable due to its long life, and it is usually good for up to 3,000 hours at 65°C. This makes it suitable for longer-term applications. Another advantage this capacitor has is its ability to absorb high ripple currents, making it suited for a variety of applications demanding large ripple currents, especially in power supply capacitors.

To sum up, the ELXS421VSN221MQ35S is an aluminum electrolytic capacitor with a wide range of application fields and excellent properties such as high capacitance stability, high ESR tolerance, and long life. With its extended temperature range and low equivalent series resistance, it is a popular choice among engineers for use in various circuits in lighting, buffering, and filtering applications.

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