DPFF2S82J-F

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Film capacitors, also known as film dielectric capacitors, are a type of capacitor that utilize a thin plastic film as a dielectric (insulating) medium. These capacitors are generally used in a wide range of applications due to their high performance capabilities. Among the different types of capacitors available, film capacitors are well known for their reliability, longevity, and low noise operation. The DPFF2S82J-F is one such film capacitor that has a set of unique characteristics best suited for specific applications. This article discusses the application field and working principle of the DPFF2S82J-F film capacitor.

The DPFF2S82J-F is an aluminum polymer, non-polarized, surface-mounted capacitor with a 7.5mm conductive polymer film. It is rated for a maximum voltage of 10VDC, possesses an operating temperature range of -25°C to 85°C, and has a nominal capacitance of 2.2uF. The DPFF2S82J-F is designed to be a replacement for traditional electrolytic capacitors used in circuits requiring minimal capacitance in a more compact form factor. Due to its small form factor, the DPFF2S82J-F is especially suitable for high density applications.

The DPFF2S82J-F is primarily used in applications where size and stability are of utmost importance. It is commonly used in switch mode power supplies, power factor correction circuits, and energy storage devices. It is mainly used as a filtering capacitor, as it helps reduce high frequency noise and ripple in the power supply. Additionally, it could also be used to suppress switch noise and transients due to its stable electrical and mechanical characteristics. The high-speed switching of power supplies makes the DPFF2S82J-F relevant as it ensures that the circuit is not harmed by the transient voltage.

The working principle of the DPFF2S82J-F is like all other capacitors. This type of capacitor stores energy by maintaining a continuous potential difference across it. The capacitance of the capacitor is determined by the combined area of the conductive polymer film and the plate distance. When a voltage is applied to the electrodes, electrons from the positive side move across the polymer film towards the negative electrode and create a static electric field. This electric field generates an opposing electrical charge, and thus the capacitor stores energy by storing this static electric field.

In summary, the DPFF2S82J-F film capacitor is a reliable, low-noise, and compact film capacitor that is mainly used for filtering purposes. Its small form factor and high performance capabilities make it suitable for applications requiring high density such as switch mode power supplies and power factor correction circuits. Lastly, its working principle is based on the same principles as all other capacitors, where it stores energy by maintaining a potential difference across it, and creating an electric field through the movement of electrons.

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