100ZLH470MEFC18X25

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Aluminium electrolytic capacitors have the greatest capacitance values per volume compared to other types of capacitor, making them very suitable for use in applications where large amounts of energy storage are required in a limited space. This means they are commonly used in power supplies, motor controllers, telecoms and inverters. The 100ZLH470MEFC18X25 is a perfect example of an aluminium electrolytic capacitor, with its large 470µF capacitance, low ESR and high ripple current handling capability.

Construction

The 100ZLH470MEFC18X25 is constructed from two aluminium plates, one of which is covered in a solid layer of electrolyte. The gap between the two plates is filled with an organic electrolytic solution, known as an organic electrolytic dielectric (OED). This acts as an insulator between the two plates, creating a large dielectric field that can store charge for later use.

Working Principle

When a voltage is applied to the capacitor, a current is generated across the dielectric gap. This current charges the internal metal plates, causing electrons to be attracted to the negative plate, and metal ions to the positive plate. This creates a static electric field between the plates, thus storing energy. When the applied voltage is removed, the charge stored is effectively released, allowing it to be used as electrical energy.

Applications

Aluminium electrolytic capacitors like the 100ZLH470MEFC18X25 are mainly used in applications where high power and high energy storage are required. Common applications include motor controllers, voltage regulators, oscillators, and telecoms equipment. In each application, their ability to hold large amounts of charge and release this charge quickly when required, makes them an ideal choice.

Benefits and Advantages

Aluminium electrolytic capacitors are ideal for applications where there is limited space, as they have a very compact size for their capacitance values. This makes them very popular in portable devices, where space is at a premium. Additionally, the 100ZLH470MEFC18X25 has a low ESR and excellent ripple current handling, making it perfect for use in high-power applications, where a large and instantaneous current pulse is often required.

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