ESMQ421VSN681MR50S

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Aluminum electrolytic capacitors are essential electronic components commonly used in a wide variety of electrical and electronic applications such as power supplies, transient suppression, energy storage, automotive, white goods and other commercial and industrial applications. The ESMQ421VSN681MR50S series aluminum electrolytic capacitors are no exception. These are surface mount capacitors that are designed to be integrated into a circuit, and by taking advantage of their higher capacitance-to-volume ratio (compared to other aluminum electrolytic capacitors) they are small in size, yet able to ensure high ripple current handling performance.

The aluminum electrolytic capacitors have been designed to have a long life with low leakage current, and due to their reliable performance they are suitable for power supplies, output bypassing, input filtering, local decoupling and other demanding applications. They also have high dielectric strength and can withstand high temperature and high voltage. Additionally, the ESMQ421VSN681MR50S series are capable of operating over the extended temperature range from -55°C to +125°C.

The ESMQ421VSN681MR50S series of aluminum electrolytic capacitors have a wide variety of applications, most notably in high-end electronic equipment, automotive power electronic devices, power supplies, television sets, servers, and more. The capacitors are also used in high power applications such as power amplifiers, power motor drivers, power supplies, and high-frequency switching circuits.

The working principle of aluminum electrolytic capacitors is based on electrolysis and capacitance. The capacitor consists of two electrodes with opposite charges, separated by an electrolyte. When a voltage is applied across the electrodes, capsules of an electrolytic solution are formed. These capsules contain a polarizable material between them, and as the voltage increases, the anions and cations in the electrolytic solution move and create an electric dipole. The electric dipole creates an electric field that increases the ions’ ability to store energy, thus creating a capacitor. The bigger the electrolytic solution, the bigger the electric dipole, and the larger the capacitance.

The ESMQ421VSN681MR50S series of aluminum electrolytic capacitors are cost-effective, reliable and highly efficient capacitors, and they can be used in a wide range of applications. With their compact size, high capacitance-to-volume ratio, and low leakage current, these capacitors are ideal for a variety of electronic applications.

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