875105744002 Capacitors

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Aluminum - Polymer Capacitors

An Aluminum - Polymer capacitor (APC) is an energy storage device, made of an shell of aluminum and a dielectric element inside. It\'s a high voltage, polarizable capacitor that has an extremely wide range of applications. Typical applications include AC/DC filters, DC/DC converters, motor drives, and various audio and power equipment.

The aluminum-polymer capacitor’s specialty is a combination of traditionally discrete aluminum electrolytic, tantalum and ceramic type capacitors into one device. As a result, it offers the size and esr efficiency of a ceramic capacitor, the high voltage of an aluminum electrolytic capacitor, and the higher temperature stability of a tantalum chip capacitor. This makes it a perfect fit for a wide range of applications where size and performance are important, such as automotive, industrial, consumer, and medical.

The 875105744002 application field and working principle of an aluminum-polymer capacitor starts with a shell of aluminum and a dielectric element inside. This dielectric element consists of an electrically neutral polymer and an electrolyte. This dielectric element is then charged and polarized to form the electrical equivalent of two capacitors in parallel. The resulting capacitor offers the advantage of having a very high energy density compared to traditional aluminum electrolytic capacitors.

Due to this high energy density and the robust construction of the element, aluminum-polymer capacitors are able to operate at temperatures up to +150 °C, making them suitable for high power applications like motor drives, variable frequency drives, or in combination with Lipo batteries.

Unlike traditional aluminum electrolytic capacitors, these capacitors are non-polar and able to run up to 2.5V meaning they can be used to create potential dividers. They also provide a high self-healing capability and are UL recognized, meaning they can be used in a wide variety of safety-critical applications

Aluminum - Polymer Capacitors are also used for applications that require a low ESR, good temperature stability and long life span, such as automotive, industrial, consumer, medical, computer and energy storage devices. The combination of these features makes the Aluminum - Polymer Capacitor an ideal choice for automotive, industrial and consumer electronics applications.

In conclusion, the Aluminum - Polymer Capacitor is a great choice for a wide range of electrical and electronic applications that require small size and high performance. Its exceptional energy density, temperature stability and robust construction allows it to be used in a variety of power and safety-critical applications, such as motor drives, variable frequency drives and battery applications. It also offers a high self-healing capability and is UL recognized, meaning it can be used in many different applications.

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