ELBK350ELL562ALP1S

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electronic components which are used to store electrical energy. They are a popular choice for applications due to their high capacitance, voltage ratings and low cost. They take the form of two aluminum foils with a dielectric oxide film in between and are polarized, meaning they will only allow current in one direction.

The ELBK350ELL562ALP1S aluminum electrolytic capacitor is a non-polarized unit with a capacitance of 350 μF and a voltage rating of 35V. It is a miniature version with the dimensions of 6×12.5mm. It has an operating temperature range of -55°C to +105°C and an endurance of 4,000 hours at rated voltage. It is an industry-standard component and is suitable for a wide range of applications.

Application Field

The ELBK350ELL562ALP1S aluminum electrolytic capacitor is most suited for low to moderate power circuits such as power supplies, LED lighting, instrumentation and audio circuit. It is commonly used for buffering power to reduce voltage spikes, audio noise suppression, and decoupling AC or DC signals from a power source.

Working Principle

An aluminum electrolytic capacitor relies on the physical principles of electrostatics for its mechanism of operation. It consists of a pair of aluminum foils coated in a dielectric oxide sandwiching a liquid electrolyte. When voltage is applied across the terminals, an electric field is created between the two foils, inducing an opposite polarization of positive and negative charges. This creates an opposite electric field that results in an electric field between the two foils and a capacitive effect as charge accumulates on the surfaces. When required, this charge can then be released into the circuit. The process is reversible, so the capacitor can be charged again when needed.

Aluminum electrolytic capacitors offer many advantages over other types of capacitors. They are relatively cheap and can handle relatively high voltages, making them ideal for use in many applications. They are also not prone to failure, since they do not require mechanical alignment of their components, so they require minimal maintenance. Furthermore, their capacitance is directly proportional to their size, so they can be made much smaller than other types of capacitors.

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