UMV1HR47MFD1TE

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Aluminum Electrolytic Capacitors are widely used due to their high energy density, low cost, large capacitance range, long life and good volumetric efficiency. The UMV1HR47MFD1TE series of aluminum electrolytic capacitors is one of the most popular capacitors for use in a wide range of applications. In this article we will discuss the application field and working principle of the UMV1HR47MFD1TE capacitor series.

Applications

The UMV1HR47MFD1TE series is used in a wide range of applications due to its features such as high temperature operation, long life expectancy and high ripple current capability. Common applications of the UMV1HR47MFD1TE series include DC/DC and AC/DC voltage conversion, overvoltage protection, power factor correction, signal filtering, and pulse loading.

The high ripple current capability of the UMV1HR47MFD1TE series makes it an ideal choice for use in power supplies, inverters, and other high-frequency applications. The capacitors are also often used in automotive applications, including engine control units, starters and solenoids, and lighting and ignition systems.

The UMV1HR47MFD1TE series has a wide temperature range, making it suitable for use in both commercial and industrial environments. The capacitors are typically used in environments ranging from -40°C to +105°C. With its low ESR and ESL values, the UMV1HR47MFD1TE series is ideal for high-frequency applications.

Working principle

Aluminum electrolytic capacitors, including the UMV1HR47MFD1TE series, are constructed with two aluminum plates which act as electrodes and are separated by a thin layer of insulating material. The aluminum plates are then immersed in an electrolyte solution which enables electric charge to pass through. This arrangement of plates and electrolyte gives aluminum electrolytic capacitors their high capacitance values and long life expectancy.

When electric voltage is applied to the capacitor, positive charges are induced onto the aluminum plates due to electrolysis. The electric field between the two plates forms a capacitance, which is the capacitance value specified for the capacitor. As the voltage is increased, the capacitance also increases, resulting in a higher capacitance value for the capacitor. The capacitance value of the capacitor remains stable up to a certain voltage after which the capacitance of the capacitor starts decreasing.

The temperature coefficient of aluminum electrolyte capacitors is also an important factor to consider. The capacitance value of the capacitor decreases as the temperature increases. This decrease is caused due to the reduced efficiency of the electrolyte at higher temperatures. The temperature coefficient of the UMV1HR47MFD1TE series is -15%/oC, which is typical of aluminum electrolytic capacitors.

Conclusion

The UMV1HR47MFD1TE series of aluminum electrolytic capacitors is designed for use in a wide range of applications due to its features such as high temperature operation, long life expectancy and high ripple current capability. The capacitors are constructed with two aluminum plates which act as electrodes and are separated by a thin layer of insulating material. The temperature coefficient of the UMV1HR47MFD1TE series is -15%/°C, which is typical of aluminum electrolytic capacitors.

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