WBR4-250A

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Aluminum electrolytic capacitors are widely used in electronics circuits due to their high capacitance per unit volume. The WBR4-250A is a very popular aluminum electrolytic capacitor with excellent performance. This article will discuss the application fields and working principles of the WBR4-250A.

The WBR4-250A is a radial leaded aluminum electrolytic capacitor with operating temperature range of -40ºC to +105ºC. This makes it suitable for a wide range of applications including power supplies for electronic equipment, medical and aerospace applications, and military equipment. It also has excellent low ESR characteristics, making it suitable for DC filtering and buffering applications.

The main working principle of WBR4-250A is electrochemical double layer capacitance. This principle is at work in all aluminum electrolytic capacitors. When two conductive plates are separated by an electrolyte solution, a positive charge accumulates on one plate and a negative charge accumulates on the other. This creates an electrical field between the plates and acts as a capacitor. The amount of electrical voltage necessary to create the electrical field is proportional to the physical distance between the plate and the electrolyte. The larger the distance, the more voltage is required.

The use of electrolyte in the capacitor increases the capacitance rating of the WBR4-250A by providing a larger distance between the plates. This increases the voltage rating of the capacitor and makes it more suitable for certain applications, such as power supplies for electronic equipment. The electrolyte also increases the temperature range of the capacitor and provides protection against overload. Since the WBR4-250A is made from aluminum it also has excellent heat dissipation properties, making it suitable for use in high-current applications.

The WBR4-250A is a widely used aluminum electrolytic capacitor with excellent performance and wide application fields. Its electrochemical double layer capacitance increases its capacitance rating and voltage rating, making it suitable for a wide range of applications. Its operating temperature range of -40ºC to +105ºC makes it suitable for medical and aerospace applications. Its excellent low ESR characteristics also makes it perfect for DC filtering and buffering applications. Overall, the WBR4-250A is a well-rounded aluminum electrolytic capacitor that can serve a variety of applications.

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