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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor, also known as an aluminous electrolytic capacitor, is a type of electrolytic capacitor that combines a metal oxide anode layer and an electrolyte to form a solid electrolyte capacitor. Unlike standard electrolytic capacitors, aluminum electrolytic capacitors offer higher capacitance values in a much smaller size. They’re also more reliable and have a longer life span. The 478TMA025M is an aluminum electrolytic capacitor with particular properties that make it ideal for certain applications.

The 478TMA025M

The 478TMA025M is capable of operating at high temperatures and is resistant to high humidity. It also has an impressive voltage rating that up to 1000V, and high capacitance of 150µF. It is also RoHS compliant and contains no hazardous materials. The 478TMA025M is a high-precision, surface-mount aluminum electrolytic capacitor that is ideal for applications such as:

• Switching power supplies
• Motors
• Power converters
• Automotive electronics

The 478TMA025M also has a number of unique features that make it a superior capacitor. Some of these features include:

• Wide capacitance range of 5μF to 750μF
• Long service life of up to 5,000 hours
• High ripple current capacity
• Low equivalent series resistance (ESR) value for reduced electrical losses
• Low profile height for easy placement

Working Principle of the 478TMA025M

The 478TMA025M is based on an aluminum electrolytic capacitor principle. It consists of two electrodes separated by a solid electrolyte such as aluminum oxide. The oxide acts as a dielectric and creates an electrical barrier between the two electrodes. When a voltage is applied to the electrodes, the oxide layer is polarized and an electric field appears in the dielectric, resulting in a capacitance. This capacitance depends on the material and the thickness of the dielectric layer.

To further increase the capacitance of the 478TMA025M, a higher voltage is applied to the electrodes, which increases the thickness of the dielectric layer. As the dielectric layer thickens, it reduces the effectiveness of the electric field in the dielectric, resulting in a larger capacitance. This process is known as the Zener effect and is what allows the 478TMA025M to produce higher capacitance values in a smaller package than standard electrolytic capacitors.

The 478TMA025M is also designed to be highly reliable, with a long life span of up to 5,000 hours. It is highly resistant to high voltages, high temperatures, and humidity. This makes it an ideal capacitor for high-temperature, high-humidity environments.

Conclusion

In conclusion, the 478TMA025M is an aluminum electrolytic capacitor with impressive features that make it ideal for a range of applications. It offers high capacitance values in a smaller size and has an impressive voltage rating and long service life. It is also RoHS compliant and contains no hazardous materials. Thanks to the Zener effect, the 478TMA025M is able to produce larger capacitance values than standard electrolytic capacitors. Finally, it is highly resistant to high voltages, high temperatures, and humidity, making it ideal for high-temperature, high-humidity environments.

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