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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are among the most widely used types of capacitors in the electronics industry. A B43504B9187M002 aluminum electrolytic capacitor is a polarized capacitor, where one of the electrodes is made from aluminum foil, with an oxide layer. This oxide layer acts as the dielectric, which means it stores electrical charge. The other electrode is a metal which is held in place by the same oxide layer. This combination creates a capacitor.

Application Field

B43504B9187M002 aluminum electrolytic capacitors are primarily used in the following areas: power supply units, DC-DC converters, voltage regulators, power supply filter systems, amplifiers, and audio systems. These aluminum electrolytic capacitors have excellent characteristics such as low ESR, stability, and reliability, making them ideal for these applications. Due to their excellent temperature characteristics, these capacitors are also used in automotive, telecommunication, lighting, and industrial applications.

Working Principle

The capacitor works by creating an electric field between two conductive plates. One plate is charged positively and one plate is charged negatively, creating a voltage potential. This voltage potential is referred to as capacitance. The ability of the capacitor to store a charge depends on the size and type of the dielectric material that separates the two plates. In the case of B43504B9187M002, the dielectric material is an oxide layer that is formed on the surface of the aluminum foil. This oxide layer, which comprises of aluminum oxide, provides the necessary insulation to maintain the voltage potential between the two plates.

The charging and discharging process of the capacitor works by moving electrons from one plate to the other. The capacitor will always maintain a charge in each plate equal to the voltage applied across it. During the charging process, electrons will move from the negative plate to the positive plate until the plates reach a voltage equal to the voltage applied across them. During the discharging process, electrons will move from the positive plate to the negative plate until both the plates have the same voltage. This process is known as an RC circuit, which stands for Resistance-Capacitance Circuit.

B43504B9187M002 aluminum electrolytic capacitors are used in numerous applications due to their excellent characteristics. They are suitable for use in high power applications, providing stability, reliability, and low ESR values. They are also excellent for use in temperature sensitive applications, helping ensure that the capacitance and voltage rating remains consistent. Furthermore, these aluminum electrolytic capacitors provide long lifetimes, making them a reliable option for many applications.

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