EKMQ201VSN821MR25S

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Aluminum Electrolytic Capacitors have been used in the electronics industry for decades due to their robust nature and their ability to store energy. The EKMQ201VSN821MR25S is a high quality, high reliability Aluminum Electrolytic Capacitor from EPCOS which can be used in many applications. In this article, we will look at the application field and working principle of this capacitor.

Aluminum electrolytic capacitors have two main characteristic that makes them ideal for a wide range of applications, one is the high capacitance relative to their volume, the other is the self-healing behavior. The EKMQ201VSN821MR25S has a maximum operating voltage of 25 VDC, a maximum capacitance of 200 μF and a maximum temperature rating of 105℃. It is a versatile and reliable capacitor for use in consumer electronic devices, car audio systems, and other automotive applications.

The working principle of Aluminum Electrolytic Capacitors is based on Faraday’s law of electrolysis. An electrolyte is placed between two thin, polarizable plates which are made of anodized aluminum and covered with a thin oxide layer. An electric field is applied across the plates and this causes an ionic species from the electrolyte to be attracted to the plates. This layer of ions create a conductive path between the plates and forms a current that is proportional to the applied electric field.

When an external voltage is applied across the plates, it creates a potential difference between the plates. This causes the ions in the electrolyte to redistribute between the plates, resulting in a change in the capacitance of the capacitor. When the potential difference across the plates is discharges, the ions are released back into the electrolyte and the capacitor returns to its original capacitance. This quick recovery and change of capacitance is what makes Aluminum Electrolytic Capacitors so reliable in many applications.

In conclusion, it is clear that the EKMQ201VSN821MR25S is an ideal capacitor for use in many industrial and consumer applications. Its high capacity, reliability and self-healing behavior make it a valuable component. Its application field and working principles are clearly outlined above and can be a great addition to any electronics system.

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