EEU-ED2E470B

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Aluminum Electrolytic Capacitors are very common in electrical and electronic systems. They are widely used in consumer electronics, computers, automotive applications, telecommunication and other applications. Usually, these capacitors are used for the purpose of filtering, energy storage or signal decoupling. They have a wide range of capacitance values, typically in the range of 0.1μF to 1000 μF.

The EEU-ED2E470B is a special type of aluminum electrolytic capacitor. It is used in demanding applications where a large capacitor value is needed, but the volume and height is kept to a minimum for space saving. It offers a capacitance of 470 μF in a small size. It is mainly used in applications such as power supply circuits, switching power supply circuits, DC/DC converters, and frequency welding inverters.

The EEU-ED2E470B consists of an aluminum case. Inside the case, an electrolyte is sealed and two aluminum foil electrodes are set in this seal. One of the electrodes is of a lower area, while other is of larger area. The larger area electrode (anode) is connected to the device’s negative terminal, while the smaller area electrode (cathode) is connected to its positive terminal. A dielectric oxide film forms the main insulating barrier between the two electrodes.

When a voltage is applied between the positive and negative terminals, the electric field generated through the oxide film between the anode and cathode causes a dielectric charge to be stored in this film. This charge forms the main capacitance of the capacitor.

In addition to the capacitance value, the EEU-ED2E470B also has a very low ESR (equivalent series resistance), which improves its power handling characteristics. This low ESR is obtained by using a high purity electrolyte, manufactured under precision processes that minimize the formation of metal ions. The device also features high current handling capability and low leakage current, which makes it suitable for use in extreme conditions.

The EEU-ED2E470B is very reliable and has long lifetime, which makes it suitable for high power applications. Since it has a temperature coefficient of only -15%, it can operate in an environment where the temperature variations are moderate. The temperature range at which the device can be used is -55 ℃〜105 ℃.

Overall, the EEU-ED2E470B is a very useful aluminum electrolytic capacitor. It provides very high capacitance values in a small size, with excellent reliability and long lifetime. It is suitable for use in many power supply, switching power supply and DC/DC converter applications, as well as in frequency welding inverters.

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