SLP681M180E3P3

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Aluminum electrolytic capacitors, also known as aluminium electrolytic capacitors, are polarized capacitors that are available in cylindrical enclosures. Aluminum electrolytic capacitors are constructed using two aluminum foils. When voltage is applied across the capacitor, a thin layer of oxide forms on the aluminium\'s surface, creating an electrical insulator. This insulator allows the capacitor to store electrical energy. In this article, we\'ll discuss the application field and working principle of SLP681M180E3P3.

Application Field

SLP681M180E3P3 aluminum electrolytic capacitors are widely used in a variety of applications, including power supplies, computer systems, consumer electronics, and automotive electronics. Because of their low ESR, high capacitance, and high ripple current rating, these capacitors are well suited for power supplies and voltage conversion applications.

SLP681M180E3P3 capacitors are most commonly used in DC link circuits, snubber circuits, audio circuitry, and power supplies. They can be used as both input and output capacitors in power supplies, and can also be used to filter out high frequency signals in audio applications. In automotive electronics, these capacitors are used in engine control systems and DC-DC converters.

Working Principle

SLP681M180E3P3 aluminum electrolytic capacitor is a polarized capacitor. It works on the principle of electrochemical oxidation of aluminum (Al) foil. Aluminum is anodic while the oxide formed on the surface acts as the dielectric medium. This capacitance is then filled up with electrolyte. After assembly, the capacitance becomes available for usage.

When an appropriate voltage is applied to the negative side of the capacitor, aluminium ions are released from the anode due to electrolysis. These aluminium ions combine with oxygen in the electrolyte to form an Al-oxide film on the surface of the anode. This oxide film acts as a dielectric medium. When the current is reversed, the capacitance is reduced due to the decrease in the thickness of the oxide film.

The ripple current rating of the SLP681M180E3P3 aluminum electrolytic capacitor is determined by the size of the oxide film, as well as the resistance of the electrolytic solution. The ripple current rating is the maximum current that can be safely passed through the capacitor without causing damage. The capacitance and temperature range of the aluminum electrolytic capacitor depend on the type and grade of the capacitor.

In conclusion, SLP681M180E3P3 aluminum electrolytic capacitors are used in a wide range of applications, including power supplies, consumer electronics, and automotive electronics. They work on the principle of electrochemical oxidation of aluminium foil and are available in a wide variety of sizes and capacitance values. The ripple current rating of these capacitors is determined by the oxide film formed on the surface of the anode, and its temperature range depends on the type and grade of the capacitor.

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