B41695A5158Q7

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors have become an indispensable part in the build of modern electronics. One of the more popular types of electrolytic capacitors is the B41695A5158Q7, which is intended for use in demanding applications and provides excellent performance. Here, we shall explore the application field and working principles of the B41695A5158Q7.

Application Field

The B41695A5158Q7 is a high-reliability aluminum electrolytic capacitor with polarised leads. It is designed to meet the stringent requirements of automotive applications, offering excellent reliability and performance, and is qualified under AEC-Q200. The capacitor is typically used in engine control systems, lighting systems, switchgear, starter systems, and power supplies.

Its performance makes it suitable for applications operating in high temperatures, offering reliable operation and excellent electrical characteristics, withstanding temperatures of up to 105°C. Its design makes it also extremely resistant to shock and vibration, guaranteeing excellent durability and reliability even in harsh environments.

Working Principle

The B41695A5158Q7 aluminum electrolytic capacitor works on the principle of an electric double-layer capacitor known as an EDLC. It consists of two aluminum metal foils separated by a layer of absorbent aqueous electrolyte. This creates two electric layers of opposite polarities, one on each of the electrodes in the capacitor. These layers form a charge separation, which stores the electric charge. When the capacitor is connected to a power supply, the electrons flowing through the power supply flow through the two electrodes, resulting in a flow current.

At the same time, the aqueous electrolyte between the electrodes will be gradually ionized, resulting in the generation of polarities on each of the electrodes. This creates a strong field between the two electrodes, which further strengthens the charge separation and results in a steady flow of current through the capacitor. As the capacitor is charged and discharged, the electric double layer will continuously expand and contract, resulting in a steady flow of current.

Conclusion

In summary, the B41695A5158Q7 aluminum electrolytic capacitor is designed for use in demanding automotive applications, providing excellent performance and reliability in extreme temperatures. It works on the principle of an electric double-layer capacitor, where two metal foils are separated by an aqueous electrolyte, resulting in a field between the two electrodes which further strengthens the charge separation and enables a steady current flow.

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