DPFF6S68J-F

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The DPFF6S68J-F Film Capacitor is a small metalized polypropylene capacitor used for general purpose applications. It is a surface-mount capacitor, meaning it can be mounted directly onto a PCB without any additional components. It is designed for high speed switching applications, motor starting, and as a coupling element. It is small and light-weight, yet robust enough to handle a variety of demanding tasks.

The main components of the DPFF6S68J-F are a small-diameter core surrounded by a thin dielectric film. This film consists of two layers of metal-impregnated polypropylene (MIP), which have been laser trimmed to a uniform thickness and sealed at the edges with a water-resistant adhesive. This creates a highly reliable hermetic seal which ensures the electrical integrity of the capacitor.

The working principle of the capacitor is based on the capacitance law, which states that the capacitance of a capacitor is proportional to the product of its area and the dielectric constant of the material between its two plates. In the case of the DPFF6S68J-F, the dielectric is two layers of polypropylene, which is an excellent electrical insulator. The area of the plates is determined by the size of the core, and the distance between the two plates is determined by the thickness of the dielectric film.

When a voltage is applied across the terminals of the DPFF6S68J-F, an electric field is created between the two plates, which causes electrons to be attracted to one plate and repelled from the other. This arrangement of polarised electrons creates an electrostatic field which is known as capacitance. This stored electrical energy allows the DPFF6S68J-F to be used to filter high frequency noise, provide a timing function, or even act as a voltage storage element.

The DPFF6S68J-F is a robust, reliable, and cost-efficient capacitor, making it well suited for most general purpose applications. It is available in a wide range of values, ranging from 0.001uf to 0.47uf, so it can be used for almost any application that requires a capacitor. Its small size and light weight also make it ideal for applications where space or mounting points are limited. Additionally, the hermetic seal ensures that the capacitor will remain reliable even in demanding environments.

In summary, the DPFF6S68J-F Film Capacitor is an excellent choice for most general-purpose applications and is ideal for high-speed switching, motor starting, and capacitance purposes. Its small form factor, low cost, and proven reliability make it an attractive option for many designers. The hermetic seal also ensures maximum electrical integrity, making it a reliable choice for many demanding applications.

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