PEG124MA2220QL1

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Aluminum electrolytic capacitors are components that are widely used in a variety of applications, from power supplies to signal processing circuits. Among them, the PEG124MA2220QL1 is a radial-leaded, miniaturized aluminum electrolytic capacitor with a charge and discharge life that meets the needs of high-end applications, and its performance is quite reliable. This article focuses on demonstrating PEG124MA2220QL1’s application field and working principle.

The PEG124MA2220QL1 aluminum electrolytic capacitor has a small size and high capacitance for its voltage range, making it ideal for use in a variety of high-precision electronic circuits. It is often used in power supplies for telecommunications, office automation and computer systems, as well as switching converters and power management systems. It is also very suitable for use in high-speed digital circuits that require a large capacitance, such as switching converters, step-up power line adjustment, pulse power rectification, switching power frequency boosting, and other fields.

Additionally, the PEG124MA2220QL1 aluminum electrolytic capacitor also has a wide range of temperature settings, with an operating temperature range from -55°C to +125°C, making it a good choice for a variety of use conditions. In addition, its capacitor components meet the European RoHS Directive, which allows it to be used in Europe-regulated electronic equipment. In summary, this aluminum electrolytic capacitor has a wide range of application fields.

In terms of working principle, the PEG124MA2220QL1 is essentially a combination of multiple components, but here we focus on the most important component – the electrolyte. Inside is a paste consisting of distilled water, wetting agents, organic electrolyte, anode foil, dielectric aluminum foil, and a case. The anode and dielectric layers are separated by a special paper, and a positive and negative lead terminal is attached to the anode and dielectric layer respectively. When the capacitor is in storage, a slight current passes through the electrolyte due to applied voltage, forming an electric double layer at the anode and electrolyte interface.

When a positive voltage is applied to the anode, positive ions move from the cathode to the anode through the electrolyte, and the negative ions move in the opposite direction. This creates a layer of electric charge at the anode-electrolyte interface and an electric double layer in the cathode-electrolyte interface, and the capacitor is then said to be charged. The capacitance of the aluminum electrolytic capacitor is determined by the size of the anode and dielectric layer, as well as their capacitor gap and type of electrolyte.

When a reverse voltage is applied to the anode, the ions attracted by the anode are repelled away, and the electric double layers at both the anode and cathode interfaces weaken, thus discharging the capacitor. This cycle can be repeated many times, making it an ideal component for a variety of applications. In fact, the PEG124MA2220QL1 aluminum electrolytic capacitor has a long service life as it can endure tens of thousands of charge and discharge cycles at rated operating temperatures and rated DC voltage.

In conclusion, PEG124MA2220QL1 aluminum electrolytic capacitors are reliable components for many high-precision applications, and they possess both a wide range of application fields and a reliable, cyclable working principle. For more details about this product, please contact your local sales representative or download the company catalog.

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