EDT227M025A9PAA

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Aluminum Electrolytic Capacitors - EDT227M025A9PAA Application Field and Working Principle

Aluminum electrolytic capacitors, sometimes referred to as "electrolytic caps," are components used in electronic circuits that provide electrical energy storage. They are made up of two metal plates, or electrodes, which are separated by a very thin layer of an electrolytic material. This electrolytic material is most commonly aluminum oxide and together with the plates and the electrolyte create what is referred to as an "electrolytic cell." Electrical energy is stored in the form of energy stored in the aluminum oxide.

The EDT227M025A9PAA is an aluminum electrolytic capacitor, specifically designed for use in a wide variety of electronic circuits. It is a radial leaded capacitor with an instantaneous capacitance value of 2.2μF at 10Hz and 25Vdc. It is a non-polarized capacitor and operates at a temperature range of -55/+105°C. It has a capacitance tolerance of ± 20% and is rated at a voltage of 85°C at 250Vdc.

Aluminum electrolytic capacitors are one of the most commonly used and cost-effective capacitors for use in eletronic circuits. They are very easy to use and require minimal maintenance, making them ideal for electronic applications where reliability and stability is paramount. The EDT227M025A9PAA is ideal for applications such as digital circuit board, audio power amplifiers and switching power supplies.

Working Principle

The working principle of an aluminum electrolytic capacitor is fairly simple. When voltage is applied to the capacitor, a current flows from one plate to the other plate through the electrolyte. This current creates an electric field which attracts ions within the electrolyte to the plates of the capacitor. This creates a very thin, but very strong electric layer called a dielectric. This dielectric layer has the ability to store electrical energy and increases the capacitance of the capacitor.

These capacitors work in a similar way to any other capacitor, but with one key difference. While regular capacitors have two plates separated by an insulating material, aluminum electrolytic capacitors have an electrolyte material between their plates. This electrolyte material allows for a much higher capacitance than regular capacitors. When voltage is applied to the capacitor, current passes through the electrolyte and charges the plates of the capacitor. This charge is then stored in the capacitor and can be released when the voltage is removed.

Conclusion

The EDT227M025A9PAA aluminum electrolytic capacitor offers a reliable and cost-effective solution for many electronic circuit applications. It is rated for a voltage of 85°C at 250Vdc and can operate in temperatures between -55/+105°C with a capacitance tolerance of ±20%. Its maximum capacitance of 2.2µF at 10Hz and 25Vdc makes it ideal for use in digital circuit boards, audio power amplifiers and switching power supplies.

In conclusion, aluminum electrolytic capacitors, such as the EDT227M025A9PAA, offer a reliable and cost-effective solution for many electronic circuit applications. They are easy to use and require minimal maintenance and have the ability to store large amounts of electrical energy.

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