RHT1A391MDN1PX

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Aluminum-Polymer Capacitors are a capacitor type consisting of capacitors in which the electrodes are made from aluminum foil and the dielectric is a plastic-based material such as polypropylene, polystyrene, polycarbonate, polyphenylene sulfide, polyimide, polyethylene naphthalate, polyetherimide or polyphenylene oxide. These materials have become increasingly popular due to their ability to combine the advantages of polymers with aluminum technology, resulting in a capacitor with superior performance characteristics. Despite their superior performance characteristics, the price of aluminum-polymer capacitors still remains relatively low.

The RHT1A391MDN1PX is a specific type of aluminum-polymer capacitor suitable for applications including home audio equipment and automotive electronics. This product is offered in two ratings, 35V 100μF and 35V 220μF, both of which feature a low ESR and very low impedance value. These characteristics make them ideal for use in power supplies, audio and TV tuners, lighting systems, motor controllers, cell phones, and other applications that require high reliability and long lifetimes.

The working principle of an aluminum-polymer capacitor is based on the concept of a dielectric. An aluminum-polymer capacitor is created when a layer of insulating material, the dielectric, is placed between two electrodes. When a voltage is applied across the electrodes, charges build up on the layer of dielectric, creating a stored energy. The stored energy is held in the capacitor as long as the voltage remains unchanged. When the voltage is released, the stored energy continues to flow back and forth between the two electrodes.

The basic operation of an aluminum-polymer capacitor is similar to that of a regular aluminum electrolytic capacitor, but with some significant differences. A major difference is the dielectric used. While aluminum electrolytic capacitors typically use a paper-based dielectric, aluminum-polymer capacitors use a polymeric material. This polymeric material offers superior performance characteristics and improved longevity.

The RHT1A391MDN1PX aluminum-polymer capacitor offers a variety of applications due to its low ESR and ultra-low impedance value. This makes it ideal for use in consumer electronics such as cameras, home audio equipment, cell phones, consumer medical devices and automotive electronics. Moreover, its high-temperature stability and low noise characteristics make it suitable for use in communications and industrial applications, as well as for power supply decoupling.

To ensure the highest performance and reliability, aluminum-polymer capacitors must be used in applications with a tightly controlled voltage range. This is because the capacitance must remain constant if the capacitor is to keep the desired performance characteristics. While aluminum-polymer capacitors are robust enough to withstand a wide range of voltages, it is important to check the datasheet of the product to ensure the operating voltage range is appropriate for the intended application.

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