687ULR010MFH

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Aluminum - Polymer Capacitors are a type of capacitor that utilizes aluminum and polymer materials to achieve the desired electrical properties. The 687ULR010MFH capacitor is a high-performance aluminum-polymer capacitor, primarily used in pulse applications. It is also often used to reduce the size and weight of products, allowing for applications in space-saving designs.

Overview of 687ULR010MFH Capacitor

The 687ULR010MFH is a robust, radial, lead-type capacitor, with a maximum capacitance of 10µF and a working voltage of 4V DC. The tolerance of the capacitance is ±20%, and the ESR is 0.020-0.020 Ω. This capacitor is made up of an anode, dielectric and cathode, utilizing aluminum foil and polymer as the electrode materials. The capacitor is insulated with resin and also features a ceramic seal on the leads. This structure prevents possible breakdown caused by poor contacts. The capacitor is typically finished with a white, non-flammable resin coating for insulation and temperature protection.

Application Fields of 687ULR010MFH Capacitor

Due to its high capacitance and low ESR, the 687ULR010MFH is well-suited to high-frequency applications, such as high-speed signal processing, including power supplies, DC/DC converters, digital circuit filtering and signal filtering. The capacitor is also commonly used in motor control circuit noise reduction, power line noise reduction and EMI filtering. Additionally, this type of capacitor can also be used in coupling and signal bypass applications, where it can provide a high-frequency bypass for pulse signals to noise suppression.

Working Principle of 687ULR010MFH Capacitor

Within the 687ULR010MFH capacitor, current flows from the anode to the dielectric, which stores electrical energy. When the capacitor is charged, electric field lines are formed between the anode and the cathode. The ceramsite dielectric allows for low ESR and higher capacitance; furthermore, the various ceramic coatings also reduce self-inductance and ensure anti-vibration performance. The capacitor\'s polymer layer can also effectively suppress leakage current, ensuring good insulation performance. At the same time, a reliable seal and protection layer is formed, providing stability and long-term reliability.

Conclusion

The 687ULR010MFH capacitor is an aluminum-polymer type capacitor, which has a high capacitance and low ESR. Its use cases are primarily found in high-frequency applications, such as motor control and power line noise reduction, as well as signal coupling and bypassing. The capacitor provides exceptional insulation and temperature protection, thanks to its resin coating and ceramic seal. This is an ideal device for pulse applications and power source design, and with its small size and weight, it can be used in space-saving designs.

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