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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor commonly used in electronics. They are non-polarized with high-current handling capability and relatively large capacitance per unit volume or per unit mass. These capacitors are commonly used in consumer electronics such as televisions, radios, portable devices, mobile phones, computers, and others, where they serve as energy storage, filtering, sensing and signal transmission components.

B43699A5156Q7

The B43699A5156Q7 is an aluminum electrolytic capacitor from the Vishay BC Components. This capacitor is normally used in mobile phone, audio and video equipment, batteries, communication systems, computer equipment, signal converters, and other applications where capacitance levels are needed.

This capacitor is generally a cylindrical, sealed aluminum electrolytic capacitor with a snap-in or threaded-in design to fit into existing slots. It has an operating temperature range of -40℃ to 85℃, and a rated voltage of 25 VDC. It is polarized, with a rated capacitance of 47µF. It measures 10x22mm (LxD), and has a rated leakage current of 0.1µA.

Application Field

The B43699A5156Q7 capacitor is suited to a range of applications. It is generally used in switching power supplies, electric cars, dimming LED lighting, UPS systems, telecommunications, and solar panels. In switching power supplies, it aids in controlling the switching frequency and filtering the input power. It is also used in electric cars, as it works to smooth out the current by storing some of the energy that is generated when the car is braking. In LED lighting, the capacitor aids in soft-start and dimming control. It is also used in UPS systems, as it helps to protect loads during power outages or power fluctuations. Additionally, it is a key component in telecommunications, as it helps to provide stable voltage and reduce the risk of data loss.

Working Principle

The working principle of an aluminum electrolytic capacitor is similar to that of a normal capacitor. An electric current is passed through the aluminum plates of the capacitor, and an electrolyte fluid between the plates form a conducting path, allowing the current to be stored. This causes the electric charge to be stored on the surface of the aluminum electrodes, and when there is a change in the electric field, the arrangement of the charge will change accordingly.

The capacitance is a measure of the amount of charge stored on the aluminum plate of an electrolytic capacitor. It is measured in farads, and its value is determined by the surface area of the aluminum, the dielectric used between the plates, and the type of electrolyte used. The voltage rating of the capacitor is also important in determining its working principle, as it determines the maximum voltage at which it can operate safely.

Conclusion

The Vishay B43699A5156Q7 is a type of aluminum electrolytic capacitor that is commonly used in mobile phone, audio, video, and other equipment. This capacitor is non-polarized and has a relatively large capacitance per unit volume or per unit mass, making it frequently used in many applications as an energy storage, filtering, sensing and signal transmission component. The working principle of an aluminum electrolytic capacitor is similar to that of a normal capacitor, as it stores electric charge on the surface of the aluminum plates.

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