CB028D0333JBA

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Film Capacitors

Film capacitors are one of the most commonly used components in electrical circuits. They serve a variety of applications, such as filtering, memory storage, timing, and signal processing. The CB028D0333JBA type film capacitor is one such component that is used widely for various applications.

Overview

The CB028D0333JBA film capacitor is a four-terminal, radial-leaded surface-mount device (SMD) encased in a white epoxy body measuring just 0.36" in diameter and 0.76" in length. It is offered in an extended temperature range of -10 to 85 °C, which makes it ideal for automotive and consumer applications. With a working voltage of 250 Vac and capacitance range of 0.01-0.22 μF, it is useful for a variety of applications.

Application Field

The CB028D0333JBA film capacitor allows for a greater current rating and lower losses compared to wet electrolytic capacitors. It is suitable for AC line filtering, DC link filtering, passive crossover networks, and self-healing snubber circuits. Additionally, the capacitor provides good noise suppression without disturbing the desired signal, enabling it to be used in high-level audio applications. It has high self-healing properties and is thus used in industrial applications, as well, such as overvoltage protection, variable speed drives, and induction heaters.

Working Principle

The CB028D0333JBA film capacitor works on similar principles as other types of capacitors. It stores electrical energy by creating an electric field between two polarised plates. In the capacitor, electrical energy is stored in a dielectric material which is sandwiched between two metal electrodes, creating a very thin insulating film. The electrodes and the dielectric materials are carefully chosen to provide the desired capacitance range, voltage rating, and performance across a wide range of temperatures.

Advantages

The CB028D0333JBA film capacitor has several advantages over other types of capacitors. The main benefit is that it can produce a higher capacitance value while occupying a smaller area. The use of polypropylene or polyester as dielectric materials makes the capacitor highly resistant to ageing and temperature influences, thus extending its service life in harsh environments. Further, since it does not contain any loose parts or electrolytes, it has a higher level of reliability than other types.

Conclusion

The CB028D0333JBA film capacitor is a reliable and compact four-terminal, surface-mount component designed for low-voltage applications. It features an extended temperature range and high current rating, as well as good noise suppression, self-healing properties, and high capacitance values in a small form factor. These benefits make it an ideal choice for use in filters, noise suppression circuits, and overvoltage protection, among other applications.

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