EGXF251ELL820MM20S

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Aluminium electrolytic capacitors are composed by two aluminium foils, which are rolled up into a cylinder shape, separated by a rubber-like insulator, soaked in electrolyte, and lubricated so that the two foils can move freely. In the end, an anode is terminal connected to the positive pole of the power supply, and the cathode is terminal connected to the negative pole of the power supply. The EGXF251ELL820MM20S is a highly reliable high-capacity aluminum electrolytic capacitor in this category, whose application field and working principle can be explained through the points below.

Application Field: EGXF251ELL820MM20S aluminum electrolytic capacitor is mainly used for filtering current and voltage signals of equipment circuit in audio device and anti-interference technology. It can also be used for other various applications, such as micro power source, PFC circuit, SMPS circuit, ballast. Furthermore, the capacitor has excellent properties like low esr, high temperature resistance, and shock resistance. Thus, it can provide a stable power supply with low ripple.

Working Principle: The working principle of aluminum electrolytic capacitor relies on two aluminum electrodes, one of which is immersing in electrolyte, the other is not. An ion bridge is formed between the two aluminum foils. When the voltage is applied to one of the electrode, the ions of the electrolyte will move towards it due to the applied voltage and will accumulate on the surface of the aluminum electrode, thus forming a capacitor. The ionic current which can pass through the electrolyte and this capacitor will form the conduction current of the capacitor.

In conclusion, EGXF251ELL820MM20S aluminum electrolytic capacitor is a highly reliable, high capacity capacitor designed for use in audio applications and is applicable for a variety of other purposes. Its working principle is based on the accumulation of electricity on one of the aluminum foils and the ionic current travelling through the electrolyte and the capacitor. Thus, it can provide a stable power supply with low ripple.

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