DSF050J333

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Film capacitors, also known as film-dielectric capacitors, are a category of capacitors that use a thin plastic film as the dielectric material. The DSF050J333 is an example of a film capacitor and the characteristics and uses of this device is discussed in the following sections.

Application field

The application field of the DSF050J333 is mainly in high precision electrical power supplies and noisy environments with strong electromagnetic interference. This film capacitor has low leakage current and high insulation resistance and can be used as oscillation, trimmer, filtering and waveform load. It has a dielectric withstanding voltage of 50 Vac-dc, which is an excellent feature for non-polarized film dielectric capacitors. Moreover, due to its ability to withstand high temperature, it is also suitable for application in hot and humid areas. In addition, it surpasses most spectral capacitors due to its high frequency characteristics.

Working Principle

Film capacitors or film-dielectric capacitors work on the principle of storing energy in an electrostatic field that is created between two electrical conductors, with a dielectric material separating them. The DC voltage is applied to the capacitors and electrons start flowing in the circuit. The electrons which flow in the circuit create a negative charge on one side of the capacitor and a positive charge on the other side. This creates an electric field and the integrity of the electrostatic field is maintained by the insulating dielectric material. The electrical energy that is stored in the film capacitor is released when the current is removed.

The DSF050J333 is a non-polarized film capacitor. In order to achieve the high voltage withstanding rating, it requires high resistance film materials and tight construction of the electrode vanes. Furthermore, it is noted that the dielectric of this capacitance is composed of multiple layers of polypropylene(PP) and Polyethylene Naphthalate (PEN) and combined with metal foil electrodes. The characteristics of this film capacitor are mainly determined by the chosen dielectric material.

Conclusion

The DSF050J333 capacitor is a type of film capacitor that is designed to work in high precision electrical power supplies and noisy environments with strong electromagnetic interference. It offers high dielectric withstanding voltage, low leakage current and good temperature stability. The working principle of this device is based on an electrostatic field created between two conductors separated by a dielectric material. Moreover, the characteristics of this capacitor are mainly determined by the chosen dielectric material, which is composed of Polypropylene (PP) and Polyethylene Naphthalate (PEN).

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