ALS71C125QS025

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Aluminum electrolytic capacitors are components of a basic electronic circuit whose functionality lies in their ability to store and release electrical energy. They are mostly used in electronics such as computers, TVs, and other consumer electronics devices. The ALS71C125QS025 is an aluminum electrolytic capacitor from the ALS series made by Panasonic. This article will discuss the application field and working principle of this capacitor.

Application Field

Aluminum electrolytic capacitors have a variety of uses. The ALS71C125QS025 is an especially versatile component, due to its wide temperature range. It is mainly used in automotive electronics applications. It features a small size and wide operating temperature range of -25°C to +105°C. This makes it suitable for automotive engine control systems and infotainment systems. It is regularly used as a support component in audio circuits, power supplies, and other automotive systems. It is also suitable for use in uninterrupted power supplies and in electrical motors.

Working Principle

The working principle of an aluminum electrolytic capacitor involves two parallel electrodes that are connected through an electrolyte. An electrolyte is a liquid or gel-like material that conducts electricity. Electrical charge in an electrolytic capacitor is generated due to the attraction of electrons to the anode, which is a positive terminal. The other terminal, the cathode, is negatively charged. This charge creates an electric field between the two terminals, allowing for electrical current to flow. The electrical energy generated is stored in the capacitor.

The ALS71C125QS025 features a conductive polymer as the electrolyte material, making it highly tolerant to temperature and voltage fluctuations. Additionally, this component offers low leakage current, making it ideal for applications where high current spikes are expected. This adds to the versatility of this capacitor and makes it suitable for numerous automotive and electronic applications.

In conclusion, the ALS71C125QS025 is a versatile aluminum electrolytic capacitor that is mainly used in automotive applications. Its wide operating temperature range and low leakage current make it suitable for many audio, power supply, motor control, and uninterrupted power supply applications. It works by generating a charge between two terminals through an electrolyte and then storing that charge in the capacitor itself.

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