400LLE3.9MEFC10X12.5

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Aluminum electrolytic capacitors are polarized capacitors whose anode electrode is made up of an aluminum foil with a surface that has been oxidized to become an alpha-aluminum oxide layer. The aluminum layer acts as a dielectric, with the anode\'s surface area and thickness determining the capacitance. The non-conductive oxide layer also serves to protect the anode from electrical stress.

The 400LLE3.9MEFC10X12.5 belongs to the family of aluminum electrolytic capacitors. These capacitors are commonly used in a variety of applications. For example, they can be used to filter noise and signal interference in switching power supplies, audio amplifiers, inverters, LCD televisions, and other consumer electronics. They can also be used to efficiently store and release energy in high-voltage power supplies, such as in industrial robots and switching computers.

One of the main advantages of aluminum electrolytic capacitors is their ability to be discharged quickly. This is due to the high capacitance and low equivalent series resistance (ESR) of the capacitor. They are also highly reliable and are able to withstand high temperature and humidity. Additionally, the price of aluminum electrolytic capacitors is relatively low, making them a good choice for most applications.

The working principle of the 400LLE3.9MEFC10X12.5 aluminum electrolytic capacitor is quite simple. When a voltage is applied across the two terminals, electrons from the anode will move towards the cathode, creating a charge on the capacitor\'s plates. This charge produces an electric field between the plates, which causes a separation of opposite charges. As a result, an electric current is formed and electrical energy is stored in the capacitor.

The amount of electrical energy stored in an aluminum electrolytic capacitor is directly related to its capacitance. The 400LLE3.9MEFC10X12.5 capacitor has a capacitance of 3.9 microfarads, meaning it can store 3.9 microcoulombs of electrical energy. This is relatively low compared to other types of capacitors, but it is still sufficient for the typical applications the capacitor is used for.

In addition to its low capacitance value, the 400LLE3.9MEFC10X12.5 capacitor also has a slightly higher ESR than other aluminum electrolytic capacitors. This higher ESR means that it can deliver more current over a shorter period of time. This makes it particularly effective at filtering out noise and signal interference, and at efficiently storing and releasing electrical energy.

Overall, the 400LLE3.9MEFC10X12.5 aluminum electrolytic capacitor is a reliable and cost-effective solution for many applications. It is able to quickly discharge and deliver large amounts of current, making it perfect for filtering out noise and signal interference, and for efficiently storing and releasing electrical energy. Furthermore, its low capacitance and high ESR rating make it ideal for applications where a quick and powerful discharge of electrical energy is required.

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