EEF-SX0D471R Capacitors

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Aluminum-Polymer Capacitors, such as the EEF-SX0D471R, are a relatively recent evolution of the traditional capacitor, first introduced in the 1970s. They areelectrochemical equivalent of the film and foil electrolytic capacitors, but offer significantly improved performance.

Unlike their film and foil predecessors, Aluminum-Polymer capacitorsare constructed using a combination of aluminum, polypropylene (or polyethylene) and polycarbonate. These materials are wrapped together in a single package and then sealed with a paint or film-like coating. This technique, known as metallized polypropylene or polyolefin capacitors, yields capacitors withhigh voltage, high capacitance and low ESR that are reliable and durable.

The EEF-SX0D471R utilizesa double layer construction that combines the electrical stability and low ESR of an aluminum-polymer capacitor with the performance of an aluminum electrolytic capacitor, creating a device that is highly reliable and resistant to breakdown. This combination allows for a significantly higher voltage rating of up to 250V, compared to the 40V of traditional aluminum electrolytic capacitors. It also boasts a low ESR of 0.02 Ohms, and provides a capacitance range of 500 to 4700µF.

The EEF-SX0D471R isdesigned primarily for energy storage applications, such as in automotive, industrial, consumer and computer electronics. As an energy storage capacitor, it functions by storing energy in an electrochemical form and releasing it when needed, allowing the device to discharge quickly when in use. This rapid discharge capability makes the device ideal for applications such as filter capacitors, phase control by means of commutation circuits, and voltage voltage regulators.

When it comes to working principle, the EEF-SX0D471R capacitor has a simple construction, with two electrodes contained in a single package. When a voltage is applied, the force of the applied voltage attracts and polarizes ions, which are then attracted to the electrodes. This polarization of the ions causes a build up of charge on either side of the capacitor, resulting in a capacitance that is proportional to the voltage applied. The capacitor then acts as an energy storage device, releasing energy when the source voltage is removed or reduced.

To conclude, the EEF-SX0D471R Aluminum-Polymer capacitor is a very reliable, versatile and high capacitance device, suitable for applications such as energy storage, filter capacitors, phase control, and voltage regulators. It boasts a voltage rating of up to 250V, a capacitance range of 500 to 4700µF, and a low ESR of 0.02 Ohms. With its simple construction and low ESR, it is an excellent choice for many different applications.

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