420KXW150MEFC18X35

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Application Field and Working Principle of 420KXW150MEFC18X35 Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most common passive components used in electrical circuits. They are energy-storing capacitors which have a larger capacitance than other types of capacitors. These capacitors are usually made from two aluminum foils (anode and cathode) with paper separator dipped in a liquid electrolyte. Due to their large capacitance these capacitors are mainly used as energy storage devices.

About 420KXW150MEFC18X35 Aluminum Electrolytic capacitors

The 420KXW150MEFC18X35 aluminum electrolytic capacitors are one of the most popular products from Kemet. These capacitors are made specially for operating continuously at a temperature of up to 125°C. They have an operating temperature of -40°C to +125°C and a rated voltage of 350Vdc. They are available in both radial and axial packages.

Application field

420KXW150MEFC18X35 aluminum electrolytic capacitors are mainly used in commercial applications such as power supplies, automotive applications, inverters, UPS systems, electric vehicles, power tools and medical equipment. They can also be used in industrial applications such as welding machines, HVAC and elevator systems, and in the military.

Working Principle

Like other aluminum electrolytic capacitors, the 420KXW150MEFC18X35 has two electrodes, an anode and a cathode, with a liquid electrolyte separating them. The electrolyte is a strong mineral acid, usually sulfuric acid, and it has ions which make it capable of conducting electricity. The anode is made of aluminum foil and the cathode of aluminum oxide. The aluminum oxide layer acts as an insulator along with the separator paper, which is impregnated with the electrolyte. When a voltage is applied the anode creates an electric field, and the electrolyte ions move towards the cathode. This process creates an oxidation reaction that produces an electric field on the surface of the anode, and thus an electric current is formed.

The electrical current between the Electrolytic capacitors is high because the charge stored in the two foils is very large. This is the reason why aluminum electrolytic capacitors are highly efficient in energy storage, even at high temperatures. They also have an advantage over other types of capacitors as they can store large amounts of energy due to their large capacitance value. This makes them well suited for applications that require energy storage for short periods of time.

Advantages and Disadvantages

Aluminum electrolytic capacitors have several advantages over other types of capacitors. Their large capacitance value means that they can store large amounts of energy for short periods of time. They are also extremely durable and can withstand high temperatures and high levels of voltage. Furthermore, they have a long shelf life and a low leakage current.

However, aluminum electrolytic capacitors are not without their drawbacks. They are expensive and their capacitance values decrease as the temperature gets higher. They also have very low ratings for ripple current so they are not suitable for applications that require current over short periods of time. Lastly, they are susceptible to shock damage and require special handling and storage.

Conclusion

420KXW150MEFC18X35 aluminum electrolytic capacitors are one of the most popular products from Kemet, and they are widely used in a variety of applications. They have several advantages over other types of capacitors, such as their large capacitance value, durability, and low leakage current. However, they are also not without their drawbacks, and they require special handling and storage. It is important to weigh the pros and cons carefully when selecting an aluminum electrolytic capacitor.

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