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Film Capacitors

The objective of this article is to explain the application field and working principle of the QXL2B105KTP7FT film capacitor. Film capacitors are constructed from metallized plastic films using a roll-forming process. The plastic film is the primary dielectric material, and the metallization layer is a thin layer of metal material. The film capacitors used in electronic equipment are usually referred to as film capacitors and are used in many traditional electronic applications such as decoupling, filtering, and bypassing. Some varieties of film capacitors also have an extended temperature range, making them ideal for high temperature applications.

Application Field of QXL2B105KTP7FT

The QXL2B105KTP7FT film capacitor is a high-temperature polypropylene film capacitor with high operating temperature (Tj max: 150°C). It has a radial lead design and is designed for applications in power electronics for general purpose AC and DC circuits. It is ideal for use in harsh temperature applications such as inverters, motor drives, power supplies, switch-mode power supplies (SMPS), and solar panels. It is also suitable for use in AC applications such as lighting, power filters, high-frequency switching applications, and high-efficiency rectifiers. Its maximum rated temperature is 150°C, giving it a greater range of applications than other types of film capacitors.

Working Principle of QXL2B105KTP7FT

The QXL2B105KTP7FT film capacitor is a non-electrolytic capacitor consisting of a thin plastic film as the dielectric material. The plastic film is conductively coated on both sides with a thin metallic layer. This creates a capacitor that is able to store a certain amount of electrical charge. When an AC voltage is applied to the capacitor, the metallic layer acts as a second conductor providing continuity between the two sides of the film, creating a capacitor with an arc-discharge path. The film capacitor stores electrical charge as electrostatic energy between two conductive surfaces, and the capacitance of the device is directly proportional to the area of these two surfaces.

The QXL2B105KTP7FT film capacitor also offers a high dielectric strength as well as high ripple current capability. Its dielectric strength is what allows it to operate safely in areas with relatively high voltages and its ripple current capability is what makes it ideal for use in applications that need to handle large amounts of currents. Additionally, the capacitor offers an operating temperature higher than other capacitors, making it suitable for use in extreme temperature applications.

Conclusion

In conclusion, the QXL2B105KTP7FT film capacitor is a high-temperature polypropylene film capacitor designed for general purpose AC and DC circuits in power electronics applications. It has a high ripple current and dielectric strength, and can be used in temperature applications up to 150°C. Additionally, it offers excellent performance for high-frequency switching applications and high-efficiency rectifiers.

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