25ML27MEFCT55X7

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Aluminum electrolytic capacitors are valuable components used in the electronic industry, with widely varied applications from small signal and power systems to frequency-dependent filters for electronic devices to larger power systems for motor drives. The 25ML27MEFCT55X7 is a type of aluminum electrolytic capacitor available from Nippon Chemi-Con. It is a bi-polarized, surface-mount type capacitor with a voltage rating of 500 volts, which is suitable for many power system applications.

Applications

The 25ML27MEFCT55X7 is designed for use in harsh environment electronics such as medical, telecommunications, antenna equipment, aerospace, and power systems. It has an extended temperature range of -40°C to +125°C, making it suitable for use in high-temperature and vibration-prone applications. The capacitance values range from 1.8µF to 2200µF, allowing for a wide range of use cases. The small case size, as low as 6.8x2.4mm, gives a higher capacitance value in a smaller package. The 25ML27MEFCT55X7 is also designed to minimize leakage current and minimize dielectric absorption.

Design

The 25ML27MEFCT55X7 is a unique design that utilizes both wet and dry technology to maximize capacitance retention and reduce ESR. It is a long-life, stable device that operates under high-ripple currents due to its large can capacity and enhanced thermal design. The construction of the capacitor utilizes an anode foil with a grooved surface and low dissipation factor to provide superior quality and stability. The outer aluminum case is coated with flame retardant and epoxy resin for superior insulation and mechanical protection.

Working Principle

The 25ML27MEFCT55X7 is an aluminum electrolytic capacitor, which means it works on the principle of electrochemical reactions. It consists of two electrodes, an anode and a cathode, immersed in a type of solvent called an electrolyte. When voltage is applied to the device, ions are attracted to the positive and negative poles, which allows charge to be stored in the form of a capacitance. This charge can then be released in an orderly fashion.

The 25ML27MEFCT55X7 is designed to provide maximum capacitance and minimal leakage. It has a low internal equivalent series resistance (ESR), which allows it to operate effectively in various power systems. The device also has a high-temperature resistance, enabling operation in harsh environments and a robust design to prevent damage or external influences.

Conclusion

The 25ML27MEFCT55X7 is a versatile aluminum electrolytic capacitor designed to meet the needs of many industrial applications. Its unique design and features enable it to operate in harsh environments, while providing a reliable and efficient performance. Its wide range of capacitance values, along with the low ESR and long-life operation, make it a great choice for applications that require extended temperature ranges or high-ripple currents.

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