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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most widely-used types of capacitor. They are used in both AC and DC power transmission and distribution, in a range of applications from simple low-voltage circuits to highly sophisticated industrial connections. The 25RX3068M6.3X11 is an example of an aluminum electrolytic capacitor.

Application Field

The 25RX3068M6.3X11 is a surface-mounted aluminum electrolytic capacitor with a maximum rated voltage of 100 volts, a rated capacitance of 680 uF and ripple current rating of 12 A. It is suitable for a variety of applications, including motor drives, fan speed control, power supplies, LED lighting, automotive electronics, and control systems. Additionally, it can be used in a wide range of operating temperatures, from -40℃ to +105℃.

Working Principle

Aluminum electrolytic capacitors have a basic structure composed of two pieces of aluminum foil, separated by an electrolyte-impregnated paper sheet. This structure provides the capacitor with a large surface area, giving it high capacitance per unit volume. When an electric current is applied, the aluminum foil strips are positively charged and attract and store electrons, creating a charge. The electric current causes the electrolyte-impregnated paper to swell, creating a pressure that helps maintain the electric charge for longer periods of time.

The 25RX3068M6.3X11 has a self-healing property, meaning that if the voltage exceeds the rated value, the electrolyte will separate the layers, preventing a possible explosion. This self-healing property makes aluminum electrolytic capacitors an ideal choice for applications that require a high level of safety, such as those in automotive and industrial markets.

Conclusion

The 25RX3068M6.3X11 aluminum electrolytic capacitors are a reliable and cost-effective choice for a variety of applications, as they can handle a wide range of operating temperatures with a high level of safety. Their large surface area provides them with a high capacitance per unit volume, making them a good choice for applications that require a large amount of capacitance. Additionally, their self-healing property allows them to remain safe in the event of an overload, making them an ideal choice for safety-critical applications.

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