420TXW120MEFC18X35

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Aluminum electrolytic capacitors are widely used in electronic components due to their various advantages. The type 420TXW120MEFC18X35 belongs to this kind. This application field and working principle will be discussed in the following sections.

1. Introduction

Aluminum electrolytic capacitors are electrical components which can store electric charge. They are made using two aluminum foil plates which are etched to create an ornate pattern, as well as an electrolyte and separator which are sandwiched between these plates. They have a variety of advantages, including low cost, high capacitance, low leakage current, and good stability. This makes them an ideal choice for many applications.

2. Application Field of 420TXW120MEFC18X35

The 420TXW120MEFC18X35 is an aluminum electrolytic capacitor with a capacitance of 120 microfarads (µF). This type of capacitor is commonly used in power supplies, line converters and low-voltage DC switching power supplies. It is also suitable for high-frequency circuits, as it is able to store a large amount of charge, while providing low ESR (Equivalent Series Resistance) and inductance.

3. Working Principle of 420TXW120MEFC18X35

The 420TXW120MEFC18X35 works on the same basic principle as all other aluminum electrolytic capacitors. When a voltage is applied between each of the etched aluminum plates, a current passes through them and an electric field is created. This electric field electrolyzes the electrolyte, causing it to break down and release its stored charges. As the charges are released, they accumulate on each plate, creating an electric field between the plates. This electric field acts as a capacitor, storing electrical energy and allowing the current to continue to flow. Due to its high capacitance value, the 420TXW120MEFC18X35 is able to store a large amount of charge. The electrolyte also helps to reduce the equivalent series resistance (ESR) and inductance of the capacitor, making it suitable for high-frequency circuits.

4. Conclusion

The 420TXW120MEFC18X35 is a type of aluminum electrolytic capacitor with a capacitance of 120 µF. It is suitable for applications such as power supplies, line converters and low-voltage DC switching power supplies, as it can store a large amount of charge, while having low ESR and inductance. Its working principle is based on the same idea as all other aluminum electrolytic capacitors, wherein a voltage is applied between each of the plates which electrolyzes the electrolyte and causes stored charges to accumulate on each plate, creating an electric field between them.

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