DPFF12D68J-F

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Film capacitors, also known as plastic film capacitors, use a dielectric film of polyester, polypropylene, polycarbonate, polyethylene terephthalate (PET), and polytetrafluoroethylene (PTFE) to provide high insulation resistance and shunting capacitance. The DPFF12D68J-F model series is based on polyester film, supplied in the industry standard EIA size 0416 series, featuring a low temperature coefficient dielectric. It sells in a wide range of voltage ratings from 25 volts to 1000 volts.

The DPFF12D68J-F is highly prized for its stability and high insulation resistance. It\'ll stay stable through a temperature range of -55℃ to +85℃, and its insulation resistance is greater than or equal to 5000M at 20℃, 200V DC, which makes it suitable for environments exposed to high temperatures.

The product has eight applications, mainly focusing on the filtering, bypassing, and coupling of alternating current signals, as well as a variety of switching power supplies and power conversion. It is well-suited for pulsed applications, and its high insulation resistance makes it ideal for use in high-voltage applications. Additionally, it is also suitable for applications that require a low dissipation factor, for example, transformers, open- or closed-loop regulators, and loudspeaker crossover networks.

The working principle of the DPFF12D68J-F is relatively simple. It is composed of two metal plates that have been coated with a dielectric film, which is the key component of a film capacitor. When a voltage difference is applied between the two metal plates, an electric field is generated inside of the dielectric film. This electric field accumulates charges and creates an electrical field, which generates a capacitive effect. This results in a capacitance value which depends on the size, shape, and material of the capacitor.

In conclusion, the DPFF12D68J-F is a film capacitor suitable for numerous applications due to its high insulation resistance and wide range of voltage ratings. Its working principle is based on the principle of electric fields generated by dielectric films, which is ultimately what gives the capacitor its capacitance. As long as the design requirements are met, the DPFF12D68J-F can be used in high voltage applications, power conversion, and bypassing applications.

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