AFK338M25R44T-F

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are components primarily used in power electronic circuits and systems for power factor correction, energy storage, input and output smoothing, energy transfer and other applications. Aluminum electrolytic capacitors use aluminum foil with an oxide layer as the core of the component that is then rolled into a tight anode and cathode spiral. The cathode and anode assemblies are separated by an electrolyte, typically in the form of an Aqueous solution or organic solvent. These capacitors are able to store a large amount of charge for relatively long periods of time and have good dielectric properties, making them ideal for energy storage, power factor correction, and other applications.

AFK338M25R44T-F application field and working principle

The AFK338M25R44T-F is a low profile aluminum electrolytic capacitor in an EIA+ ECA-S2F2-BA package. It has a high capacitance per volume ratio which makes it suitable for portable devices. Its characteristics include a capacitance of 338uF, an operating temperature range of -55°C to 105°C, a maximum operating voltage of 25V and a maximum ripple current of 620mA. It has a wide range of applications in automotive, industrial, appliances and consumer electronics.

The AFK338M25R44T-F works by utilizing the ability of aluminum electrodes to store a large amount of charge inside an electrolytic solution. When a voltage is applied across the electrodes, positive and negative ions in the electrolyte are attracted to the electrodes, creating an electric field between the electrodes and creating capacitance. This is known as the electric field principle. Charged ions are also formed during this process, increasing the amount of electrons available to be stored on the capacitor. This capability enables the capacitor to store alternating currents for a long period of time.

The amount of charge stored in the AFK338M25R44T-F also depends on the temperature and pressure of the electrolytic solution, as well as the surface area of the electrodes. The surface area of the electrodes also affects the capacitance value of the capacitor, with larger surface areas resulting in higher capacitance. The maximum amount of charge stored in the AFK338M25R44T-F is 338µF, and the maximum ripple current that is expected to be handled is 620mA.

The AFK338M25R44T-F is most often used in switch mode power supplies, automotive applications, and consumer electronics. It can also be used in power factor correction and filtering applications, helping to reduce power losses due to harmonics. This, combined with its low profile design and long life expectancy, make the AFK338M25R44T-F a versatile capacitor for many power-related applications.

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