477HSM025M

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Aluminum electrolytic capacitors are widely used in both consumer and industrial electronic applications. The 477HSM025M aluminum electrolytic capacitor is specifically designed for use in power supplies, combining high-temperature tolerance, low-ESR, and long lasting life. The various features and properties of the 477HSM025M make it an ideal choice for a variety of applications.

Standard Features of 477HSM025M

• Designed for reliable operation in temperatures between -55°C and +125°C
• Rated voltage of 25 VDC
• Extremely low-ESR values
• 150/200 hour life expectancy with 10/20% derating for life test
• Nominal capacitance range: 0.1 uF to 220 uF
• Insulated leakage current (μA): < 40 μA
• Stable capacitance over temperature and voltage variations
• High ripple current capability

The 477HSM025M aluminum electrolytic capacitor offers excellent performance, reliability, and energy efficiency in a variety of applications, such as power conditioning, power factor correction, power factor control, frequency control, and harmonic reduction. It is suitable for use in communication equipment, automotive, industrial, and energy/efficiency applications. The 477HSM025M can also be used in rectifier circuits, DC/DC converter systems, and other electronic circuits needing high-temperature/low-ESR devices for reliable operation.

Working Principle

The 477HSM025M aluminum electrolytic capacitor employs an electrolyte design in which two aluminum foil electrodes, with a certain distance between them, are rolled or folded together to form an electrical component. The electrodes are typically both foil strips, but one can also be a film with an etched pattern. The outer layer of the foil strip serves as the positive electrode, and the inner layer forms the negative electrode. The distance between the two electrodes is defined by the dielectric material between them, which is usually a film of aluminum or tantalum oxide. An electrical charge is applied to the cathode, causing an oxidation reaction to occur at the anode. The electrons that are released during the oxidation process form an electric field within the device, creating the capacitance. By carefully controlling the thickness of the insulation film and the electrode size, the 477HSM025M can be optimized for different voltage and capacitance requirements.

In addition to providing a dense and stable capacitance, the 477HSM025M aluminum electrolytic capacitor also provides excellent performance when faced with high temperatures, high frequencies, and ripple currents. This makes it a reliable choice for a variety of electronic applications.

Conclusion

The 477HSM025M aluminum electrolytic capacitor offers excellent performance, reliability, and energy efficiency in a variety of applications. Its low-ESR, high temperature resistance, and long life make it a reliable choice for power supplies, LED lighting, frequency control, and many other electronic devices. With the ability to withstand high temperatures, high frequencies, and ripple currents, the 477HSM025M is a great choice for any electronic application that requires reliable operation.

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