B25834K5106K9

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Film capacitors, or film dielectric capacitors, are part of a class of capacitors featuring a thin dielectric layer formed of plastic film. Due to their construction they have an immense variety of applications. One example is the B25834K5106K9.

Applications

The B25834K5106K9 is a multilayer ceramic capacitor. Its low profile and small size make it well-suited for situations where space for components is limited, or when only a limited amount of electrical terminals can be used. With a capacitance of 100 pF at 16 VDC, it is often used in radio frequency (RF) applications. For example, it can be used in high-frequency RF filters, tunes and matching circuits, or for providing “DC blocking” to devices connected to RF signals. It is also suitable for simply providing decoupling between two circuits. Its wide temperature range (-55°C to +105°C) makes it suitable for use in automotive and aerospace applications.

Working Principles

A B25834K5106K9 capacitor consists of two layers of electrodes and a film dielectric layer between them. In some designs, the electrodes and dielectric layer are layered together, while in others they are alternating. The dielectric layer can be made from a variety of materials, such as polycarbonate film, polyester film, polypropylene film, or fluoropolymer film. The capacitance of the capacitor is determined by the total area of the electrodes and the dielectric constant of the dielectric material.

In operation, the B25834K5106K9 capacitor stores electrical energy, much like a battery but at a much higher efficiency. When supplied with a voltage, it begins to charge, generating an electrical field within the dielectric layer. This builds up until it is equal to the applied voltage, at which point the capacitor becomes “fully charged”. When the applied voltage is removed, the capacitor will remain charged, and will begin to discharge, releasing the energy stored in its field until the voltage reaches zero. This continues at a steady rate until the capacitor runs out of energy. The capacitance of the capacitor is determined by the area of the electrodes and the dielectric constant of the dielectric material, and it has a significant impact on the rate of the discharge.

Conclusion

The B25834K5106K9 is a multilayer ceramic capacitor, characterized by a small size and low profile, as well as a wide temperature range. It finds application in RF filters, tunes and matching circuits, or for providing DC blocking and decoupling, making it a popular choice in automotive and Aerospace applications. Its working principles are based on its construction, which utilizes two layers of electrodes and a dielectric layer between them. The capacitance is determined by the total area of the electrodes and the dielectric constant of the material, while its operation and discharge rate are based on the stored energy within the dielectric layer.The specific data is subject to PDF, and the above content is for reference