420HXG100MEFC25X25

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Aluminum electrolytic capacitors are polarized electrolytic capacitors whose anode electrode presumably consists of a pure aluminum foil with an etched surface. This has a comparatively large surface which gives a much higher capacitance value than other types, per unit volume. These capacitors are mainly used for low frequency applications such as audio frequency or pulse signal-generating circuits.

420HXG100MEFC25X25 Aluminum Electrolytic Capacitor

The 420HXG100MEFC25X25 aluminum electrolytic capacitor is an aluminum capacitor with non-solid electrolyte. This type of capacitor has a capacitance of 420uF, a voltage of 100V, 25x25mm size, and a rated temperature of 105 degrees Celsius. It also features a radial lead-pin construction and an operating temperature range from -40 to +105 degrees Celsius. This type of capacitor is commonly used in high-peak energy circuits and power supplies.

Application Field

The 420HXG100MEFC25X25 aluminum electrolytic capacitor has a wide range of applications, including switching power supplies, power line filters, and electronic flash units. These capacitors are very durable and boast excellent insulation properties so they can be used in high-voltage circuits. They are also popular in filtering circuits, audio circuits, pulse circuits, and other frequency applications that need low-noise performance. Furthermore, the large capacitance per unit volume provides better overall performance than other types of capacitors.

Working Principle

The working principle of an aluminum electrolytic capacitor is very simple. The aluminum anode and cathode are electrically connected to the alternating power input and the capacitor\'s dielectric material. On one end of the capacitor, a positive charge is created so that electrons flow from the negative side to the positive side. On the other end of the capacitor, a negative charge creates a potential difference across the capacitor\'s dielectric material. As a result, an electrical direct current flows through the capacitor and charges the dielectric material.

The dielectric is made from an electrolyte material that acts as an insulator. This material is also capable of storing energy and releasing it when the voltage drops or when a load is placed on the capacitor. The stored charge can be immediately redistributed for several other applications. When the capacitor is not in use, it is kept in an unloaded state which allows it to retain its charge for a longer period of time.

Conclusion

The 420HXG100MEFC25X25 aluminum electrolytic capacitor is a reliable choice for high-voltage circuits, power supplies, frequency applications, and energy circuits. It features a large capacitance per unit volume, excellent durability, and a long operating temperature range. The principle behind this type of capacitor is simple and straightforward, involving a pair of electrodes and a dielectric material that can store and release energy when required. Overall, aluminum electrolytic capacitors are a great choice for low frequency applications, power supplies, and high-energy circuits.

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