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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in electronic products such as computers, speakers, amplifiers, and other consumer electronic components. These capacitors are usually composed of an aluminum electrolyte forming the dielectric material, surrounded by two counter electrodes. The central anode (positive electrode) is surrounded by a dielectric that contributes to the capacitance of the device. The outer cathode (negative electrode) is usually made of aluminum and it is the reason for its name. Aluminum electrolytic capacitors are used in applications ranging from power supply filtering to signal conditioning, and more.

B43564C5338M7 Application Field

The B43564C5338M7 is an aluminum electrolytic capacitor designed to be used in DC applications requiring an operating voltage of 350V. This capacitor has a high capacity of 33,800µF, so it is suitable for equipment installation, power supplies, motor drives, low frequency switching, and other applications requiring high capacitance. The B43564C5338M7 capacitor has a wide temperature range, so it can be used in wide range of environmental conditions. The insulation resistance rating of this aluminum electrolytic capacitor is 1100 megohm and the lifetime expectancy for this device is 5000 hours.

B43564C5338M7 Working Principle

The working principle of an aluminum electrolytic capacitor is based on physical and chemical principles behind the electrolyte. As we know, an electrolyte is composed of ions and electrons that create electrical potentials and current when electricity is applied. In this capacitor, the electrons are freely available in the electrolyte and become part of the capacitance value. The anode in this capacitor consists of a thin metal foil, which is designed for maximum performance and reliability. The electrons flowing within the anode are responsible for the capacitor’s capacitance value. The aluminum electrolytic capacitor is constructed with the electrolyte sandwiched between two metallic foil electrodes.

The B43564C5338M7 capacitor has a positive voltage applied to the anode and a negative voltage applied to the cathode. This negative voltage induces a flow of electrons into the cathode. The anode of this capacitor is designed to incorporate a maximum insulation resistance, so the current is limited. The small amount of current that flows from the anode to the cathode has the effect of establishing a voltage difference between the two ends. This voltage difference is the electrostatic equivalent of capacitance and is the measure of capacitance for this device.

Conclusion

In summary, the B43564C5338M7 is an aluminum electrolytic capacitor specially designed for DC applications requiring an operating voltage of 350 V. This component has a high capacity of 33,800 µF and is suitable for power supply filtering, motor drives, low frequency switching, and other applications requiring high capacitance. The working principle of this capacitor is based on the electrolyte and two metallic foils within the component, anode, and cathode. The capacitance value is established by the voltage difference between the anode and cathode electrodes.

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