LGG2W121MELA25

Aluminum Electrolytic Capacitors

LGG2W121MELA25 application field and working principle

Aluminum electrolytic capacitors are the most commonly used capacitors. The main structure of the single aluminum electrolytic capacitor is composed of an electrolyte, positive and negative poles and an aluminum oxide layer, adding features such as different electrodes, positioning and sealing, encasing materials and so on. All of these elements are set up to make sure of its longevity and reliability.The LGG2W121MELA25, manufactured primarily by Shunfa, is a type of aluminum electrolytic capacitor designed for use in power supplies, audio and video apparatus, automotive electronics, home appliances and other electronic products. All of these fields require reliable energy storage and high energy storage, which this capacitor is able to offer with its long-term stability and high capacitance values.

Working principle

The rugged design of the LGG2W121MELA25 makes it perfect for use in components where high pulsed currents are frequent. The capacitor utilizes as aluminum foil that acts as both the cathode and the anode, to provide high capacitance values. At the same time, the metal support is used to anchor the electrolyte and the thin electrolytic paper is used as a diaphragm to keep the electrolyte away from the cathode foil.

When a voltage is applied, the electrolyte reacts with the metal support, forming an anodic oxide layer on one of the electrodes and a cathodic oxide layer on the other. This process is also known as drying, as it allows the electrolyte to dry, thus producing the anodic and cathodic layers. When the voltage applied is removed, the anodic and cathodic layers created in the drying process help to maintain a charge overtime, allowing for the capacitor to act as an energy reservoir.

Characteristics

The LGG2W121MELA25 is capable of offering a very high capacitance rating at a relatively small size. This makes it particularly applicable for use in applications requiring high energy storage in a small space. Additionally, this particular type of capacitor is capable of offering low equivalent series resistance (ESR) for improved closed-loop current control and ripple current handling capabilities. It also features a very low ESR at high frequency, which makes it suitable to be used in applications where high frequencies are needed. As this type of capacitor is designed to be temperature-resistant, it is capable of remaining operational in temperatures ranging from -40 to +85 degrees Celsius and in high humidity environments, thus making it an ideal choice.

Applications

The applications for the LGG2W121MELA25 are diverse, as this type of capacitor is capable of offering a high level of reliability, making it suitable for use in a wide variety of fields. One of the most common applications of this capacitor is in power supplies, where it offers long-term stability and low ESR values, thus providing improved current stability. Additionally, it is also employed in audio and video devices, as it provides improved handling of ripple current, thus ensuring better audio and video playback quality. Furthermore, this type of capacitor is employed in automotive electronic components such as spark plugs, adapters and ignition systems, making it easier to start the engine and providing an improved response. Finally, this type of capacitor is also employed in home appliances, such as refrigerators and air conditioners, making them more efficient and reliable.

The LGG2W121MELA25 is one of the most commonly employed capacitors in the electronics field, as it offers a variety of features, making it applicable for use in a wide range of applications. Its rugged design offers a high level of longevity and reliability, making it suitable for use in power supplies, audio and video equipment, automotive electronics, home appliances and other electronic products.