MALREKE00DC347D00K

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Aluminum electrolytic capacitors, or aluminum electrolytic caps, are a type of capacitor which is used in many electronic circuits and components, most notably in power supplies. They are used to store electrical energy temporarily by forming a layer of oxide on an aluminum sheet, creating an electric field between the two layers. The oxide layer is the dielectric, the conductor is the aluminum sheet, and the electrodes are the two types of metal that make up the capacitor.

The MALREKE00DC347D00K is a radial aluminum electrolytic capacitor, which means it is formed into a cylinder to provide greater surface area for connection. This type of capacitor is most often used in applications that require high currents, as the radial design is better suited to dissipate that amount of energy. The MALREKE00DC347D00K series capacitors are a thermally-enhanced version, which means the case has a greater insulation resistance to protect against heat loss and maintain a more consistent capacitance.

The electrolyte used for aluminum electrolytic capacitors is typically a solution of sulfuric acid and water, and the dielectric used is a layer of aluminum oxide. This oxide layer is formed when current is passed between the aluminum sheet and the electrolyte. This process is referred to as charges extending the double layer, and it forms the capacitor’s main dielectric. This dielectric layer is thin, so the dielectric strength of the capacitor is less than the dielectric strength of other types of capacitors.

The MALREKE00DC347D00K is an automotive-grade capacitor which means it is approved for use in vehicles and/or other applications exposed to the environment. It is also a stress-rated capacitor, which means it has passed rigorous testing to meet the standards for a wide range of temperatures and vibration levels. The MALREKE00DC347D00K series capacitors range in capacitance from 4.7µF to 680µF and are rated for a working voltage of 25 to 200V, so they can be used in a wide range of applications.

The main application of aluminum electrolytic capacitors like the MALREKE00DC347D00K is in power supplies for harsh environments. They are used in radio frequency circuit designs, power conversion applications, and circuit designs where high currents or miniaturization are critical factors. They are also used in non-automotive applications such as medical equipment and avionics.

The working principle of aluminum electrolytic capacitors, such as the MALREKE00DC347D00K series, is based on the displacement of electrons between the two plates due to a potential difference. As current is applied to the capacitor, the aluminum sheet is negatively charged and the electrolyte solution is positively charged. This difference in charge causes the electrons to flow from one plate to the other, creating a stored charge on each plate.

What sets aluminum electrolytic capacitors apart from other types is the use of an electrolytic solution as the dielectric. This solution gives the capacitor its unique ability to handle high currents and temperatures while providing a high degree of stability. The oxide/electrolyte combination also provides the benefits of low leakage and low inductance, which makes the capacitor suitable for high-frequency applications.

The MALREKE00DC347D00K is an example of an aluminum electrolytic capacitor, which is suitable for use in a wide range of applications. It is designed to withstand extreme temperatures and vibration, and its thermally-enhanced design makes it even more resilient. With a wide range of capacitance and a high working voltage, the MALREKE00DC347D00K is a reliable solution for power supply applications in harsh environments.

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