LGJ2E181MELZ20

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electrical components characterized by a very high capacitance (large capacity to store electrical charge or energy) compared to its size and low cost. This makes them ideal for many applications in a variety of electrical devices. Electrolytic capacitors are most commonly used in power supplies, audio equipments, and high-frequency applications. They can also be found in many consumer electronics such as cell-phones, laptop computers, and DVD players.

Aluminum electrolytics are polarized capacitors, meaning that electricity can travel in only one direction through the capacitor. This is due to the electrolyte, which serves as the dielectric between the two metal plates. The electrolyte is a special electrical liquid, which is usually either a solid or a gel. This allows the capacitor to store significantly more energy than other types of capacitors, such as ceramic capacitors.

The construction of an aluminum electrolytic capacitor consists of two aluminum foil plates that act as the capacitor\'s electrodes or conductors. These are separated by an insulator, which can either be paper or a plastic film such as polypropylene. Between the two plates is the electrolyte, which conducts electric current when a voltage is applied. The outsides of the plates are covered with a shell made of metal or plastic.

LGJ2E181MELZ20 Application Field and Working Principle

The LGJ2E181MELZ20 is an aluminum electrolytic capacitor. It has the following ratings: capacitance range is 75 µF - 180 µF, voltage is 25V - 350V DC, temperature range of - 40°C to + 85°C and a ripple current between 2.2A and 5.3A respectively. This makes it ideal for applications where high voltage, large capacitance, and high ripple current are needed. These applications include power supplies, measuring and industrial equipment, and instrumentation.

The LGJ2E181MELZ20 works by utilizing the concept of electrical capacitance. Electric capacitance is the ability of a device to store an electric charge. As voltage is applied to the device, the two plates store electrical charge that is a direct result of the voltage applied. The amount of charge stored is known as capacitance and is measured in Farads. The larger the capacitance, the more electric charge a capacitor can store.

When connecting the LGJ2E181MELZ20, it is important to observe the correct polarity. The positive terminal should be connected to the anode and the negative terminal to the cathode. Failure to observe correct polarity may result in damage to the device. Additionally, when powering the device, it is important to observe the voltage rating and the ripple current rating of the capacitor.

In conclusion, the LGJ2E181MELZ20 is an aluminum electrolytic capacitor with a wide range of applications due to its high capacitance, voltage, and ripple current ratings. This makes it great for high voltage applications where a large amount of energy needs to be stored. When selecting the appropriate capacitor for a particular application, it is important to observe the voltage, ripple current, and polarity ratings to ensure safe operation and prevent damage to the device.

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