225SMH050MHR

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Aluminum electrolytic capacitors are a type of capacitor that utilizes electrolytic anode plates and oxide-based cathodes to produce a high capacitance density along with long lifetime and low ESR. The 225SMH050MHR is one of the many aluminum electrolytic capacitor series that are used for a variety of applications, including power supplies, audio-video equipment, and microcontrollers. This document will discuss the application fields and the inner working principle of the 225SMH050MHR.

The 225SMH050MHR aluminum electrolytic capacitor has a capacitance of 0.50 μF with a 3.0V working voltage and a +20%/-80% tolerance. It has a temperature range of -40°C to +85°C with a max. dissipation factor of 1.4 at 10 kHz and max. ESR of 20 mΩ at 25°C. The capacitor was developed to provide long operating life with tight tolerance and minimal DC leakage current in both high-end power supply and processor applications.

Due to its compact size and excellent electrical performance, the 225SMH050MHR is a suitable choice in power application fields such as computer memory, power supply, and motor control systems. The capacitor is also capable of giving premium performance in audio-video sets, including digital signal processor (DSP) systems and high-voltage amplifiers. Further, the 225SMH050MHR can be used in various other applications, including microcontrollers, medical equipment, communication systems, and LED lighting systems.

In the inner workings of the 225SMH050MHR, two anode electrodes are used in combination with an electrolyte material and foil cathode. The electrodes consist of an oxidized foil of aluminum which provides high electrical conductivity and a low equivalent series resistance (ESR). The electrolyte prevents the anode from oxidizing and provides electrical insulation in between the electrodes. To ensure a superior capacitance density, the foil cathode is manufactured with extremely small aluminum grains, which are held together by an electrolyte.

The capacitance of the 225SMH050MHR is achieved by the increase in surface area between the anode and the cathode. When the circuit is closed, a significant amount of water molecules are moved over the electrodes, creating a layer of liquid electrolyte. This increases the electric field at the interface which gives rise to electrostatic capacitance.

In summary, the 225SMH050MHR aluminum electrolytic capacitor has a range of applications pertaining to power supply, audio-video systems, and microcontrollers. Its superior electrical performance and long operating life makes it well-suited for various high-end applications. The working principle of the cap involves the utilization of two oxidized plates of aluminum for anode electrodes, a foil cathode, and an electrolyte material in between them, all of which interact to produce the desired capacitive properties.

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