420MXC150MEFC20X45

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Aluminum electrolytic capacitors are one of the most widely used and popular type of capacitors. They are characterized by their relatively large capacitance, small size, low cost, long life and good temperature and frequency characteristics. The 420MXC150MEFC20X45 is a small aluminum electrolytic capacitor with an operating temperature up to 150°C. In this article, we will explore its application fields and workings principle.

What Is 420MXC150MEFC20X45?

The 420MXC150MEFC20X45 is an aluminum electrolytic capacitor manufactured by Nichicon. It features a voltage rating of 420 volt, and an operating temperature of up to 150°C. Its dimensions are 20mm long with a diameter of 4.5mm. This small size makes the 420MXC150MEFC20X45 ideal for high-density, miniaturized electronics applications.

Application Fields

The 420MXC150MEFC20X45 is primarily used in industrial and automotive applications, such as programmable logic controllers, power amplifiers, inverters, audio and video equipment, LED and LCD displays. The higher operating temperature range of 150°C makes it more durable and reliable in these specific applications.

Due to its miniaturized size, the 420MXC150MEFC20X45 is also found in smaller electronics, like portable media players, notebooks and point-of-sale terminals. Its low cost and relatively large capacitance makes it an attractive option for these miniature applications.

Working Principle

An aluminum electrolytic capacitor works by storing electrical energy in an electrochemical reaction.

It consists of three main components: the anode, conductive polymer, and the cathode. The anode is a thin aluminum oxide layer which acts as a barrier, limiting the electrical current. The electrolyte between the anode and the cathode is a conductive polymer that carries the current and provides insulation. Finally the cathode, which is made of aluminum, is connected to the external terminals.

When current passes through the capacitor, a small electric field is created which collects electrons on the anode side. This electrochemical reaction creates an accumulation of charge which can then be used to transfer energy from one location to another. This is the basic principle behind an aluminum electrolytic capacitor.

Conclusion

The 420MXC150MEFC20X45 is a small aluminum electrolytic capacitor perfect for miniaturized electronics applications due to its low cost and large capacitance. It is primarily used in industrial and automotive applications due to its high operating temperature. Finally, its working principle is based on an electrochemical reaction which creates an accumulation of charge which can then be used to transfer energy from one location to another.

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