0402YJ2R0BBSTR

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Thin Film Capacitors

Capacitors are essential components of electrical and electronic circuits. They are used to store energy in the form of an electrostatic field and serve as passive components to regulate electric current. Thin-film capacitors are one type of capacitors manufactured on the surface of insulating materials like ceramics, glass or polymeric films. They are known for having few components, so they take up less space and weigh less than traditional capacitors. In this article, we will look at the application field and working principle of 0402YJ2R0BBSTR part.

Application Field

Thin film capacitors are used in a wide range of applications, from consumer electronics and automotive to industrial and military. They are usually used in high frequency systems, such as microwave ovens, LCD displays and antenna systems due to their superior signal transmission performance and high noise immunity compared to traditional capacitors. 0402YJ2R0BBSTR part is a high-performance, four-terminal MLC capacitor specifically designed for use in many demanding applications. It has an ultra-low profile of 0.018", making it ideal for space constrained and component density critical designs. This part offers a range of capacitance values from 0.068 to 150uF, which makes it ideal for power supplies, signal conditioning, capacitive touch panels and other pulse and high frequency applications.

Working Principle

The 0402YJ2R0BBSTR part is a thin film capacitor composed of three layers of metal (aluminum, cobalt and chromium). These layers are insulated with a ceramic dielectric, which can be designed for high dielectric stability and insulation performance. When an external electric field is applied, a surface electrical charge between the two external layers of metal is generated, in proportion to the field intensity. This generates an electrical field between the two layers, creating a dielectric barrier across them, thus storing energy in the form of an electrostatic field. The capacitance of the part is also determined by the area of the two metal layers, which is why a larger area results in a higher capacitance.

Conclusion

The 0402YJ2R0BBSTR part is a high-performance, four-terminal MLC capacitor used in many demanding applications, such as power supplies, signal conditioning, capacitive touch panels and other pulse and high frequency applications. It has an ultra-low profile of 0.018" and offers a range of capacitance values from 0.068 to 150uF. Its working principle is based on three layers of metal insulated with a ceramic dielectric, generating an electric field between them to store energy. Thin film capacitors are known for their small size, low weight and high performance.

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