PCX1E820MCL1GS

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Aluminum - polymer capacitors, also known as aluminum electrolytic capacitors, are rapidly becoming more popular due to their improved performance and design flexibility. The PCX1E820MCL1GS is one of the many aluminum - polymer capacitors available to meet the increasingly demanding requirements of modern electronics. This capacitor type is used in a wide range of applications and is ideal for general purpose filtering, high frequency noise suppression, and power supply decoupling. In this article, we will discuss the application fields and working principle of the PCX1E820MCL1GS.

Application field

The PCX1E820MCL1GS offers a wide operating temperature range from -40°C to 125°C, making it suitable for various equipment operating in extreme temperatures. Its small size allows for installation in tight spaces, and its low equivalent series resistance (ESR) when compared to electrolytic capacitors makes it ideal for applications with high frequency noise. It can be used for high power transmissions, radio frequency interferometer (RFI) suppression, and reverse power protection. It is also suitable for audio/video equipment, computers, and televisions, where its low inductance offers better safety ratings than electrolytic capacitors. It is also well suited for automotive audio systems, automated processing equipment, and instrumentation.

Working Principle

The PCX1E820MCL1GS operates on an electrolytic principle. This type of capacitor is composed of an aluminum foil with electrochemically etched electrodes, an electrolyte, and aluminum oxide layer separating the two. The aluminum plate acts as a dielectric, while the electrolyte provides a conductive pathway between the electrodes. In this type of capacitor, the electrolyte is contained between two layers of paper impregnated with a mixture of oil and isopropyl alcohol. When the capacitor is charged, an electric field is formed within the aluminum foil, which causes an electric current to flow from one electrode to the other. This current is proportional to the capacitance of the device and allows for the measurement of the amount of energy stored in the capacitor.

The PCX1E820MCL1GS also has a low equivalent series inductance (ESL), which is essential for applications requiring high frequency noise suppression. This is achieved by partially electrically connecting the two electrodes with a thin layer of conductive material. This thin layer of conductive material acts like a spring, reducing the amount of inductance introduced and allowing the capacitor to operate at higher frequencies. The device also features a low temperature coefficient which prevents the capacitor from drifting away from its nominal values under temperature extremes. This makes it more tolerant and reliable in extreme operating conditions.

The PCX1E820MCL1GS aluminum - polymer capacitor is a cost effective and reliable choice for applications requiring high frequency performance and precision. Its low inductance, high temperature operating range, and low temperature coefficient make it an ideal choice for a variety of applications in modern electronics.

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