LGR2G820MELA25

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Aluminum electrolytic capacitors are important components of electronic apparatus. They are widely used in the electronic circuit of motor, communication, instrument and automation equipment. For example, LGR2G820MELA25 is a type of aluminum electrolytic capacitor. This article introduces the application field and working principle of the LGR2G820MELA25.

LGR2G820MELA25 is a type of surface mount aluminum electrolytic capacitor. It consists of two pieces of aluminum foils wound with a separator soaked in electrolyte as well as two pieces of carbon-coated steel plates. It is characterized by high capacitance and long life, low leakage current and high temperature characteristics. Therefore, the LGR2G820MELA25 capacitor is widely used in power equipment, such as frequency converters, AC servo, AC inverter and high frequency switching power supply.

The working principle of an aluminum electrolytic capacitor is based on the principle of capacitors. A capacitor consists of two conductive plates separated by an insulator, which is also called a dielectric. When a voltage is applied across the conductive plates, a current is produced through the dielectric, thus creating a static electric field.

In the case of an aluminum electrolytic capacitor, one of the two plates is a layer of aluminum which is covered with a layer of oxide. The oxide functions as a kind of insulator which separates the two plates. The other plate is usually made of steel. Electrolyte, an aqueous solution of electrolytes, is then used to moisten the oxide layer and fill the space between the two plates.

When a voltage is applied to the aluminum electrolytic capacitor, it creates an electric field. This electric field forces electrons to move through the dielectric layer. The electrons that pass through the aluminum layer are initially drawn to the steel plate, thus creating an excess of electrons on the steel plate which is referred to as the cathode. Meanwhile, the electrons that pass through the aluminum layer are repelled back, creating an excess of electrons on the aluminum plate which is referred to as the anode.

Once the electric field is created, a current begins to flow in the opposite direction of the applied voltage, which creates charge on the two plates. As a result, the two plates behave as a capacitor, which stores the electrical energy. The amount of energy stored in the capacitor is proportional to the amount of charge stored on the plates as well as the applied voltage.

The LGR2G820MELA25 aluminum electrolytic capacitor has many advantages. It has a long life due to its improved design, high capacitance and high temperature characteristics. Its low leakage current ensures high reliability and its small size ensures easy integration in electronic devices. Furthermore, its wide temperature range (-50 °C to +105 °C) makes it suitable for many different applications. As such, the LGR2G820MELA25 is used in power equipment, such as frequency converters, AC servo, AC inverter and high frequency switching power supply.

In conclusion, the LGR2G820MELA25 capacitor is a type of aluminum electrolytic capacitor which has many advantages. It is widely used in power equipment due to its high capacitance, long life and high temperature characteristics. Its working principle is based on the principle of capacitors, which involve the formation of an electric field between two plates of an insulator. This electric field stores electrical energy and is proportional to the amount of charge stored on the plates as well as the applied voltage.

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