511D275M250CD5D

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Aluminum electrolytic capacitors are a category of capacitors that use an aluminum electrode foil with an oxidized layer surrounded by an electrolyte solution. They are often used in electronic circuits for filtering, coupling, bypassing and other power supply stabilization applications. The letters and numbers used to describe an aluminum electrolytic capacitor represent its physical properties such as size, working voltage and capacitance. This article discusses the application field and working principle of the aluminum electrolytic capacitor 511D275M250CD5D.

The letters and numbers used to describe an aluminum electrolytic capacitor are as follows. The “511” denotes the physical size of the capacitor. It can be identified as a diameter of 11.5 millimeters and a length of 11.5 millimeters. The “D” represents the voltage rating and the “275M” identifies the capacitance rating of 275 microfarads. The last two letters, “CD”, represent the category of the capacitor, which in this case is a “low voltage” type of capacitor. The “5” at the end of the code is a temperature coefficient code, identifying the capacitor as having a low temperature coefficient.

Aluminum electrolytic capacitors are commonly used in power verification and voltage regulation applications in industrial equipment and consumer electronics. They possess properties such as wide operating temperature range and the ability to store and release electrical charge quickly, making them ideal for filtering. Additionally, they are capable of withstanding high voltages, making them ideal for regulating high voltages.

The working principle of aluminum electrolytic capacitors is based on Faraday’s law of electrolysis. This law states that when electric current passes through an electrolyte, electrically charged particles are deposited on the electrodes. In aluminum electrolytic capacitors, a thin layer of insulating oxide is formed on the aluminum electrode foil which ensures that it stores the charge even after the current is turned off. This layer of insulating oxide also acts as a dielectric, increasing the capacitor’s capacitance.

Electrolytic capacitors can be further divided into two categories, polar and non-polar capacitors. The 511D275M250CD5D reviewed in this article is a non-polarized aluminum electrolytic capacitor, meaning that there is no specific directionality when connecting the device to a circuit. The advantage of using non-polarized capacitors is that they can be connected to a circuit in either direction, thus reducing the number of capacitors needed to build a circuit.

In summary, the 511D275M250CD5D is an aluminum electrolytic capacitor with a size of 11.5 millimeters by 11.5 millimeters, a capacitor voltage rating of 275 volts and a capacitance rating of 250 microfarads. Its main application fields include voltage regulation and power verification for consumer electronics and industrial equipment. It has a low temperature coefficient and is non-polarized, meaning it can be connected in either direction. The working principle of aluminum electrolytic capacitors is based on Faraday’s law of electrolysis, where electric current causes electrically charged particles to be deposited on the electrodes, thus forming a thin layer of insulating oxide.

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