511D227M075DK4D

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor consists of an aluminum oxide that acts as the dielectric, a solid electrolyte, and two aluminum foil electrodes. Aluminum(-foil) electrolytic capacitors are mainly used in filtering and smoothing circuits. They can hold relatively high capacity and voltage compared to other types of capacitors, and for this reason often used in power supplies.

511D227M075DK4D

The 511D227M075DK4D aluminum electrolytic capacitor is specifically used in filtering and smoothing circuits and is known for their stability and durability. They are rated for a voltage of 25V and a capacitance of 4700uF or 4700 microfarads. This capacitor is a standard size and it has a 0.075Ω ESR (Equivalent Series Resistance).

Application Field

The most common application for 511D227M075DK4D capacitors is in a power supply filter/smoothing circuit, where they provide a stable and reliable signal. The capacitor can be used in any circuit design that requires stability and reliability, such as in LED lighting applications. These capacitors can also be used in audio circuits to provide filtering and smoothing to the signal and to reduce interferences. Besides, they can be used in motor drive circuits to reduce transient current spikes and also offer inductive immunity. In addition, 511D227M075DK4D capacitors are often used in DC-DC converters, switching power supplies, power inverters, and many other applications.

Working Principle

The working principle of the 511D227M075DK4D aluminum electrolytic capacitor is based on the electrical energy storage function of its dielectric/electrolyte, which is connected to two aluminum foil electrodes and an oxide layer of aluminum oxide. The electrolytes allow electric energy to be stored by forming an insulating layer between the foils. The capacitance of the capacitor is a measure of the capacity to store energy, which is related to the surface area of the foil, electrolyte, and oxide layer, as well as the air gap between the foil and the oxide layer.

When an alternating current (AC) is applied, the capacitor acts as a filter, blocking the direct current (DC) component and passing only the alternating current (AC) component. Additionally, when a transient current is applied, the capacitor acts as a smoothing device, reducing voltage spikes. When a DC voltage is applied, the capacitor acts as a filter, blocking the DC signal and passing only the AC component.

In conclusion, 511D227M075DK4D aluminum electrolytic capacitors are useful for filtering and smoothing electronic circuits and they provide high capacitance and voltage rating compared to other types of capacitors. This makes them ideal for power supply filtering and other applications such as LED lighting and audio circuit design.

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