ALF20G822EH100

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (or just electrolytic capacitors) are widely used across the electronics industry. These capacitors are polarized due to their usage of electrolytes as their dielectric. For this reason, they are used in applications that require a large capacitance over a small size, as well as those that need to have a high level of stability and reliability.

Description of ALF20G822EH100

ALF20G822EH100 is a combination of an aluminum electrolytic capacitor with an extended temperature range and a high energy density. This provides an optimal choice for various consumer, industrial, automotive, and medical applications. These capacitors provide a low equivalent series resistance, making them ideal for filtering, bypassing, and high-power applications. It can withstand temperatures of up to 105°C, as well as a low ESR (Equivalent Series Resistance). Its leakage current is also much lower than other aluminum electrolytic capacitors, making it a much better choice for applications with high hold-up voltages.

Application Field of ALF20G822EH100

ALF20G822EH100 are used in a variety of applications, such as:

• Filtering applications that require high frequency operation
• Power conversion circuits
• Audio and other high-power applications
• Automotive systems
• Industrial machines
• Communication systems
• Medical Equipment

Working Principle of ALF20G822EH100

The working principle of an aluminum electrolytic capacitor is quite simple. It consists of two aluminum foils, an electrolyte, and an insulating material (separating the two foils). When current is passed through the capacitor, the two electrodes are charged and a potential difference is created between them. When a voltage is applied to the capacitor, this charge is distributed across the two foils which creates an electric field. This electric field then applies the forces on the ions of the electrolyte, thus creating a capacitance.

The capacitance of the ALF20G822EH100 is quite high, mostly due to the high energy density of the electrolyte. With a leakage current of 0.1µA or less, this capacitor is ideal for applications which require a high hold-up voltage, such as medical devices. Its extended temperature range also makes it suitable for automotive applications.

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