EKMM201VNN102MQ45T

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Aluminum Electrolytic Capacitors are a type of capacitor that are widely used in a variety of electronic devices. They are best known for their high energy density and high stability. The EKMM201VNN102MQ45T is one such capacitor, and it is often used in applications where a good combination of capacitance and reliability is required.

The EKMM201VNN102MQ45T is an aluminum electrolytic capacitor with an extended temperature range of -40°C to +125°C, making it an ideal choice for high-temperature applications. It has a rated voltage of 25 VDC and 105°C, with a capacitance value of 200µF and maximum ESR rating of 0.29 ohms at 100 kHz. It also has a polarization of 175°, making it suitable for use in both alternating and direct current circuits. Moreover, this capacitor is resistant to vibrations, shock, and moisture, making it highly reliable.

When it comes to the working principle of aluminum electrolytic capacitors, the phenomenon of electrolysis is the basis of operation. To put it simply, in electrolytic capacitors, an electrolyte is used in the form of a liquid or gel that acts as an ionic conductor between the two electrodes. When a voltage is applied to the device, an electric current is produced that carries ions from one electrode to the other. This causes a buildup of an electric double layer at both electrode surfaces, producing a charge exchange, which in turn produces a capacitance. This capacitance can be varied by changing the shape, size, and distance between the electrodes.

In the case of the EKMM201VNN102MQ45T aluminum electrolytic capacitor, the electrode materials are usually made of aluminum or tantalum. The anode is usually made of materials such as aluminum or aluminum oxide, and the electrolyte is usually a four-component gel containing ammonium bicarbonate, carboxylic acid, and ionic salts. The surface of the anode is then treated with a chemical compound such as manganese dioxide, barium sulfate, or boron nitride. This helps increase the capacitance of the device.

The EKMM201VNN102MQ45T aluminum electrolytic capacitor is commonly used in applications such as power supplies, filters, decoupling, switch-mode power supply applications, and inductors. It is also ideal for transient voltage suppression, over-voltage protection, and snubber circuitry. Due to its high capacitance, this capacitor also has a long lifetime and can withstand high temperatures and high voltage spikes, making it a reliable choice for many industrial and commercial applications.

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