NLW20-50

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Aluminum electrolytic capacitors are a type of capacitor that operates using an electrolyte, in this case, an aluminum oxide film that forms on the surface of the anode. The electrolyte provides the electrical charge storage, and the aluminum oxide film provides the electrical insulation. Like other capacitors, aluminum electrolytic capacitors are used in electronic circuits to store and filter electrical signals.

Aluminum electrolytic capacitors are available in a wide range of capacitance values from 0.1 µF to 100,000 µF. The most common sizes are 0.1 µF to 1000 µF. The operating voltage of the capacitor is usually between 1 V to 1000 V. Due to their construction, aluminum electrolytic capacitors have a longer life than other types of capacitors, but at the same time, they have a much lower capacitance per volume than other capacitors.

The NLW20-50 series is a common aluminum electrolytic capacitor. This series is a radial leaded capacitor, suitable for use in high frequency switching power supplies and drives. The capacitance range is 0.47–33,000 µF, with a voltage range of 16-400 V. These capacitors also have a wide range of temperature ratings, depending on the model. The voltage derating over temperature for this series is typically 1%/°C.

The working principle of the NLW20-50 series aluminum electrolytic capacitor is the same as that of any other aluminum electrolytic capacitor. An oxide film forms on the anode when the aluminum is exposed to an electrolytic solution. This oxide film provides effective insulation from the anode to the cathode, allowing the capacitor to store electrical charges and filter electrical signals. The higher the voltage applied to the capacitor, the higher the capacitance it can provide.

The NLW20-50 series capacitor is a popular choice for applications in high frequency switching power supplies and drives. Its wide capacitance range makes it suitable for a wide range of applications, while its long life and good voltage derating over temperature make it ideal for high temperature applications. Additionally, the series is available in both long-life and high-sensitivity models, allowing users to tailor the performance of the capacitor to the specific requirements of their application.

To summarize, the NLW20-50 series aluminum electrolytic capacitor provides high capacitance values in a small size, making it ideal for a wide range of applications where size and cost are key considerations. Its long life, good temperature derating, and availability of both long-life and high-sensitivity models ensure that any electronic design can benefit from the use of this aluminum electrolytic capacitor.

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