MCH38FK391J

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Mica and PTFE capacitors feature a consistently reliable construction throughout their long life service. The MCH38FK391J is a prime example of this technology as it utilizes both mica and polytetrafluoroethylene (PTFE) as primary insulating materials. Employing an etched aluminum layer to sandwich the mica and PTFE in between an aluminum base and top, these capacitors are able to achieve the highest electrical requirement standards. Monolithic ceramic capacitors are favored for their relative low cost and high reliability.

The MCH38FK391J capacitor is a multilayer ceramic capacitor which consists of two ceramic discs, separated by an insulating material. The discs are made of 91% mica and 9% PTFE. The discs are connected together by a thin aluminum oxide layer that has an overall thickness of 39μm. The capacitor is then covered by a thick layer of metalized PTFE which provides the necessary electrical insulation. In summary, the MCH38FK391J is a 39μm thick multilayer ceramic capacitor that is suitable for many electronics applications.

In terms of applications, the MCH38FK391J is suitable for high frequency applications in which low capacitance and high-voltage ratings are required. The capacitor is widely used in power supplies, filter circuits, pulse equipment, radio, TV, and car audio equipment, and also in mobile communication applications. Additionally, the MCH38FK391J can be used in RF systems that require high insulation and good range. The capacitor is also suitable for use in high-power digital circuits and in circuit protection.

In terms of working principle, MCH38FK391J capacitors feature an electrostatic field wherein electric charges are formed, stored and then released whenever they are required for electrical operation. In this process, current flows from the two attached electrodes through the insulating material to build up a charge. The charge stays stored until the capacitor is discharged, or until the current flow in the opposite direction stops. This process is dependent on the capacitor\'s ability to maintain a voltage differential between each terminal. When the terminal voltage of the capacitor reaches the voltage differential necessary to create the stored charge, the capacitor will discharge the stored energy.

The MCH38FK391J has a high frequency response that is desirable for many electronic applications. This frequency response is achieved by the use of a low capacitance and high voltage rating, and by the high quality of the mica and PTFE construction used. In addition, the mica and PTFE construction ensures that the capacitor can withstand high temperatures and is suitable for long-term reliability.

Overall, the MCH38FK391J capacitor is a reliable and cost-effective solution built with mica and PTFE. It has a high frequency response, it is suitable for high-power digital, RF and filter circuits, and it has very high insulation levels. In addition, the capacitor is designed to cope with high temperature conditions, making it suitable for long-term reliability. With its wide range of applications, the MCH38FK391J is a capacitor well suited for a wide range of electronic components and products.

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