ALF40C472KP250

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Aluminum Electrolytic Capacitors

ALF40C472KP250 belongs to the family of aluminum electrolytic capacitors, one of the most common capacitors used in modern electronic circuits. Also known as aluminum-electrolytic fixed capacitors, these capacitance components can store energy and provide reliable services for a wide range of applications. Such components are especially suitable for applications with relatively wide temperature range, high voltage margin and long life span.

An aluminum electrolytic capacitor consists of two aluminum electrodes that are separated by an electrolyte material. When connecting the two electrodes, an electric field is generated between them, which causes the charge to be stored. The capacitance of the capacitor is determined by the total area of ​​the two aluminum electrodes and the thickness of the electrolyte material. A large capacitance can be achieved by increasing the area of ​​the two aluminum electrodes.

For the ALF40C472KP250 capacitor, the total capacitance is 400 uF, and the rated voltage is 25 volts. This is a capacitor with aluminum oxide as the electrolyte material and has the potential to provide wide range of reliable services. With its long lifespan of 1000 hours at 105 °C, it is an ideal component for power supplies, medical equipment, consumer electronics, and automotive applications.

The principle of operation of an aluminum electrolytic capacitor is based on the Faraday Effect. When an electric field is applied on the two electrodes, a dipole moment is created in the electrolyte material, causing the charges to be accumulated on the polarization layers of the electrolyte material. This then leads to a separation between the positive and negative charges and increases the capacitance.

The THT (through-hole technology) package provides a high-performance alternative for the ALF40C472KP250 capacitor. It features an enclosed package for greater reliability in automated assembly, as well as improved insulation against mechanical and electrical shock. Additionally, it offers better resistance to moisture, dust, and other environmental factors.

The ALF40C472KP250 capacitor finds its application in devices that require low ESR values such as filters and oscillators. It is also suitable for switch mode power supplies, boost converters, and other noise suppressing applications. This type of capacitor can also be used to prevent ripple current by providing a high capacitance per unit volume and quick response to changes in input voltage.

In conclusion, the ALF40C472KP250 is an aluminum electrolytic capacitor with long lifespan and high performance. It features an enclosed package for efficient connection and superior insulation. The total capacitance of the component is 400 uF and its rated voltage is 25 volts. The capacitor is suitable for a wide range of low ESR applications including filters, oscillators, switch mode power supplies, and boost converters.

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