LGN2H121MELB30

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Aluminum Electrolytic Capacitors are widely used in many applications due to their high capacity, long life and low cost. One of the most popular aluminum electrolytic capacitor series is the LGN2H121MELB30 series, which is designed specially for pulse applications. This article will discuss the application fields of the LGN2H121MELB30 series as well as its working principle.

Application Fields of LGN2H121MELB30

The LGN2H121MELB30 series is a range of radial leaded, non-solid Aluminum Electrolytic Capacitors designed especially for pulse applications. It is suitable for various applications such as high-frequency circuits, boost power supply circuits and discharging circuits. They can be used in switching mode power supplies, frequency converters, inverters, servo drives, computers, telecommunications systems and electronic instruments.

The LGN2H121MELB30 series is specifically used in high-frequency power supply circuits, where it works as a large installed-capacity device. It has a long life and high overload capacity, making it suitable for implementing high-speed response circuits. In addition, it can withstand high moisture and temperature without degradation, providing reliable performance even in demanding operating conditions.

Working Principle of LGN2H121MELB30

The working principle of the LGN2H121MELB30 series can be explained by examining its inner structure. Inside the capacitor, a dielectric is sandwiched between two plates of aluminum foil, while an electrolyte fills the spaces between them. As a voltage is applied across the electrodes, electrons (negative charge) flow through the electrolyte and the anode (positively charged plate) attracts the cations (positively charged ions) from the electrolyte. This then allows the electrons to accumulate on the anode, creating an electrical field within the capacitor.

The capacitor then works by storing the charge for a period of time, allowing it to be released at a later time. As a current passes through the capacitor, the stored charge is released from the anode and the cathode (negative plate). This builds a potential difference across the two terminals, allowing the current to flow and the capacitor to act as an insulation. This process can be repeated without any loss of energy, making the capacitor an ideal choice for pulse applications.

Conclusion

The LGN2H121MELB30 series is a range of aluminum electrolytic capacitors designed specifically for pulse applications. It has a long life and high overload capacity, making it suitable for various high-frequency circuits like switching mode power supplies, frequency converters and inverters. Its working principle is based on the accumulation of charge on the anode and the release of that charge at a later time.

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