UPW2A221MHD1TN Capacitors

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor, also known as an electrochemical capacitor, is a type of capacitor that uses an anodic aluminum oxide film as the dielectric and an electrolyte as the cathode. Unlike ordinary capacitors, aluminum electrolytic capacitors store energy using ions instead of charges. This makes them extremely efficient - typically much higher than other types of capacitors.

The UPW2A221MHD1TN aluminum electrolytic capacitors are designed for applications requiring long life and high reliability, such as audio and power supplies. They have a long life span of over 10000 hours and offer a wide temperature range of -40℃ to +105℃. They are available in radial, snap-in, and axial styles.

Working Principle

An aluminum electrolytic capacitor consists of two aluminum foils with an anodic oxide film between them and an electrolyte on the other side. The aluminum foil acts as the anode and the electrolyte acts as the cathode. The anode has a significant surface area, allowing for a large amount of electric current to be stored.

When voltage is applied to the capacitor, electrons move from the anode to the electrolyte. The electrolyte ionizes, releasing positive ions that migrate to the anode. This creates a negative charge on the anode and a positive charge on the electrolyte. This allows electric current to flow, storing energy in a process called electrochemical polarization.

The amount of energy stored in the capacitor is directly related to the capacitance of the device, which is determined by the values of the aluminum foils, the size of the anode surface, and the viscosity of the electrolyte. The UPW2A221MHD1TN aluminum electrolytic capacitor has an operating temperature of 105 degrees Celsius, a capacitance of 220uF, and a DC voltage of 25volts.

Application Field

Aluminum electrolytic capacitors are widely used in various types of applications. In audio applications, they are used to filter unwanted noise and smooth out volume levels. In production line automation, they are used to control motion and provide precision positioning. In power supplies and other DC circuits, they help ensure that the voltage is consistent and stable. Generally, it is desirable to have capacitors with low equivalent series resistance (ESR), high capacitance, and a wide temperature range. Here, UPW2A221MHD1TN aluminum electrolytic capacitors are a great choice, as they offer all of these features and more.

In addition, these aluminum electrolytic capacitors are resistant to voltage spikes, meaning that they can handle short-duration high-voltage spikes without suffering damage. This makes them a popular choice for applications that demand safety and reliability. They also require no maintenance and offer long life performance with excellent stability.

Conclusion

UPW2A221MHD1TN aluminum electrolytic capacitors are an ideal choice for applications requiring long life, high reliability, and low ESR. They’re capable of withstanding high-voltage spikes and offer a wide temperature range, making them suitable for a variety of applications. They are available in radial, snap-in, and axial styles, making them highly versatile and easy to install.

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