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Aluminum Electrolytic Capacitors: UVZ1V101MEH Application Field & Working Principle

The UVZ1V101MEH is a miniature aluminum electrolytic capacitor that is commonly used in a variety of electrical applications. This type of capacitor is ideal for audio, filtering, and general purpose power supplies. It is also ideal for communication equipment, computers, and instrumentation. The chief advantage of aluminum electrolytic capacitors is their relatively high capacitance and low equivalent series resistance.

Construction of UVZ1V101MEH

The construction of the UVZ1V101MEH includes aluminum or tantalum foil electrodes that are separated by an electrolytic barrier material, and impregnated by liquid. The insulating material (or dielectric) of an aluminum electrolytic capacitor is usually made of aluminum oxide, or other exotic materials such as pseudo-boehmite or polycarbonates. The tantalum or aluminum electrodes are connected with another lead to the chassis or other circuit source, while the other lead is connected to the electric terminal of the capacitor. Aluminum capacitor canisters, also known as cans, are often designed to offer maximum surface area and heat dissipation. The internal construction of the UVZ1V101MEH will typically consist of the anode foil connected to the negative lead, a bothara dielectric layer, and a cathode foil connected to the positive lead. The polarizing layer is also added, which allows for full functioning of the capacitor.

Working Principle

The working principle of aluminum electrolytic capacitors is based on the capacity-voltage principle. When an alternating voltage is applied to the terminals of the capacitor, the internal electric field induces a displacement of charges in the electrodes. The capacitance of the capacitor is proportional to the surface area of the electrodes and their distance to each other. Aluminum electrolytic capacitors have a higher capacitance than tantalum electrolytic capacitors, with the former typically possessing values of up to 150 μF. The tolerance can vary from ±20% to ±100%, and electrolytic capacitors have a wide range of working temperatures, from – 40 to +105°C.

Applications of UVZ1V101MEH

The UVZ1V101MEH is suitable to be used in a wide range of applications, including but not limited to general power supplies, measuring instruments, and audio applications. It has a small size which makes it ideal for applications with limited space, as well as for high frequency applications. In these cases, its construction allows for a higher capacitance in a much smaller package. It is also suitable for most DC power supplies, requiring high capacitance, low equivalent series resistance, and low leakage current capabilities. The UVZ1V101MEH can be used in almost any application requiring an efficient, low profile, and high reliability capacitor, such as general power supplies, audio filters, and computer applications.

Conclusion

The UVZ1V101MEH is a miniature aluminum electrolytic capacitor that is commonly used in a variety of applications. It has a relatively high capacitance and low equivalent series resistance, making it ideal for audio, filtering, and general purpose power supplies. It also offers a high level of reliability and high efficiency in a small package. The capacitor has a wide range of working temperatures, from –40 to +105°C, and is suitable for use in almost any application.

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