FC28B1240 is a ferrite core manufactured by manufacturer TDK-Lambda. It is used in a variety of applications, including power supply filter cores, audio output filter cores, and transformer cores. This core provides excellent magnetic performance and is commonly used in audio and consumer electronics. In this article, we\'ll discuss the application field and working principle of FC28B1240.

Application field

FC28B1240 is a broadband ferrite core used mainly in audio output filter cores and transformers. This core provides excellent performance and helps to remove interference from outside sources. Some of the applications of FC28B1240 are:

• Audio output filter cores
• Power supply filter cores
• Transformers
• DC-DC converters
• Switching power supply
• Motor drives

Working Principle

A ferrite core is composed of ferrite material, which is made up of ceramic compounds of iron oxide and other elements. The ferrite core functions by capturing the low-frequency energy from outside sources and transforming it into a higher-frequency energy. This energy is then dissipated as heat, which helps to reduce EMI (electromagnetic interference) and RFI (radiofrequency interference).

FC28B1240 has a round-shaped core design, which helps to increase the core\'s efficiency. The core design also helps to reduce Hysteresis loss and reduce the core\'s DC flux absorption. The core also has a high magnetic saturation and low iron loss, which improves the core\'s performance. This makes FC28B1240 an excellent choice for use in audio output filter cores, power supply filter cores, and transformers.

Conclusion

FC28B1240 is a ferrite core manufactured by TDK-Lambda and is used in a variety of applications, including audio output filter cores, power supply filter cores, and transformer cores. The core provides excellent magnetic performance and helps to reduce EMI and RFI. It has a round-shaped core design, which helps to increase its efficiency and reduce Hysteresis loss and DC flux absorption. The core also has a high magnetic saturation and low iron loss, which improves its performance.