UVP1H221MHD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are used in many electronic applications due to their large capacitance values and low cost. They are polarized capacitors, meaning the electrolyte and electrodes must be correctly oriented in order for them to work properly. This article will examine the application field and working principles of the UVP1H221MHD aluminum electrolytic capacitor.

UVP1H221MHD Application Field

The UVP1H221MHD aluminum electrolytic capacitor can be used as a general purpose device, typically in circuits such as power supplies or audio amplifiers. It is also suitable for high frequency applications, as it has a very low inductance. Due to its ability to handle up to 85°C temperatures, the UVP1H221MHD is suitable for use in automotive electronics.

UVP1H221MHD Working Principle

As with all electrochemical capacitors, the UVP1H221MHD consists of two aluminum foil electrodes. The anode is coated with an oxide-type dielectric and the cathode with a metal oxide layer. The two electrodes are separated by an ionic electrolyte solution, or gel. When a voltage is applied to the device, charge builds up on the anode. This creates an electric field, which provides the device’s capacitance.

The key feature of the UVP1H221MHD is its low equivalent series resistance (ESR). This reduces the power losses due to current leakage, and increases the reliability of the device in general. This low ESR also allows the device to work at higher frequencies, making it suitable for many high frequency applications.

Conclusion

The UVP1H221MHD aluminum electrolytic capacitor is a suitable choice for many general purpose and high frequency applications, thanks to its high capacitance, low equivalent series resistance, and wide temperature range. Its robust construction and relatively low cost make it an attractive option for many electronics design engineers.

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