SFT66T30K475B-F

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Film capacitors, also known as plastic film capacitors, are non-polar dielectric capacitors that become the norm in electronic technology.

In particular, the SFT66T30K475B-F model is a separable, high-performance, metallized film TYPE B chip capacitor. This model has a high quality factor and low ESR, making it a reliable part for applications that require high reliability in a small size. The shape and package of the SFT66T30K475B-F are specifically designed for the ease of assembly in PCB designs.

The application fields of film capacitors and especially the SFT66T30K475B-F model in particular are quite wide. They can be used in digital, communications, industrial and consumer applications, such as high power amplifiers, DC-DC converters, telecommunications systems and LCD TVs. The working principle is the same across all models. The capacitor acts as a two-terminal device, allowing the flow of current from one terminal to the other, at a rate proportional to the voltage applied.

The structure of a film capacitor consists of a thin polyester film. This film is sputtered with a metallic layer to form one plate of the capacitor. The other plate is either bare film or a metallic coating. This forms the anode and cathode of the capacitor, respectively. The two plates are separated and held in place by an insulating material or dielectric, which is typically a paper, ceramic, or plastic material.

The concept of a film capacitor is based on the principle of electrostatic capacitance. When an electric field is applied between the electrodes, electric charges of an opposite sign are attracted onto the surfaces of the electrodes, resulting in an accumulation of electric charge. This electric charge is stored in the form of an electric field, which is equivalent to the capacitance of the capacitor.

The capacitance of a film capacitor is determined by its size, shape, and dielectric material. The characteristics of the SFT66T30K475B-F also depend on the materials used in its construction. It has a good tolerance for temperature and humidity, and a low ESR, which makes it a good choice for applications that require high reliability in a small size.

In addition to its low ESR and high temperature and humidity tolerance, the SFT66T30K475B-F offers excellent stability and long-term reliability. Its high capacitance value makes it suitable for use in a wide range of applications, from switch-mode power supplies to LCD displays.

The SFT66T30K475B-F model is a reliable and affordable film capacitor. Its small size, good temperature and humidity tolerance, and low ESR make it an excellent choice for applications that require high reliability in a small size.

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