UHE1V271MPD

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Aluminum Electrolytic Capacitors are electronic components that are ubiquitous in most modern electronics. The UHE1V271MPD is an under-mounted, long life, non-polar aluminum electrolytic capacitor developed by Matsushita Electric Industrial Co., Ltd. It offers several advantages in its application field and working principle.

The UHE1V271MPD is mainly used in automotive, industrial and consumer electronics applications. Its long life and non-polarity makes it suitable for many applications where standard electrolytic capacitors may not be suitable. This device boasts a high capacitance value of 271µF, a low ESR of 0.042Ω, and a ripple current of 4,500 mA RMS. It also has a high ripple peak of 8,000 mA, making it a robust option for high-frequency and high-amperage applications.

The main working principle of aluminum electrolytic capacitors is based on Faraday’s law of electrolysis. This law states that when two conducting electrodes are immersed in an electrolyte, an electrical charge is established between them that, in turn, sets up an electric field. When a voltage is applied to the capacitor, this electric field becomes stronger, increasing the capacitance of the device.

The capacitor’s active elements are two anodized aluminum foils. One is the working electrode, referred to as the anode, and the other is the counter electrode, referred to as the cathode. Electrolyte is applied between these two electrodes, which allows the current to flow through the device.

The capacitance of the UHE1V271MPD is improved by the presence of a special electrolyte which also adds to the device’s long life span. This electrolyte, which is an organic compound, also increases the device’s self-healing characteristics. Self-healing is a feature where an applied voltage removes surface corrosion from the anodized aluminum foils, restoring the electrolyte’s capacitance.

The UHE1V271MPD capacitor offers several advantages inherent in its application field and working principle. Its high capacitance value, low ESR, and high ripple current, coupled with the self-healing characteristic of electrolyte make it an ideal solution for modern electronics.

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