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FFC, FPC (Flat Flexible) Connectors

Flat Flexible Connectors (FFCs) are high-density, low voltage interconnects that deliver low power between two mating surfaces. They are designed for controlling tension forces in flat flexible cables and provide a reliable electrical and mechanical connection. FFCs come in different configurations, housing sizes, and cable lengths and can be customized for any application. The 0.5mm pitch connector is a popular choice for many products.

Application Field

FFC connectors are commonly used for high-speed digital signal transmission, data storage, and communication applications, as well as in automation and video surveillance systems. Additionally, FFCs can be used in digital cameras, laptop computers, medical equipment, audio and video equipment, automotive electronics, sensors, RFID systems, and telecommunications equipment.

Working Principle

FFC connectors consist of two mating parts – a header and a cable. The header has a series of metal contacts that come into contact with the conductive traces on the cable, forming a reliable connection. The header and cable are connected using a latch, screw, or spring-locking mechanism. For added protection against environmental conditions, FFCs can be sealed with a range of gaskets. Depending on the current carrying capacity and environmental conditions, FFC connectors are available in robust, low profile, waterproof, and submersible designs.

Material and Construction

FFCs are usually constructed from 4-layers of polyester insulation sheets with thin copper conductors sandwiched in between. The top layer is dielectric while the bottom layer serves as the ground. The copper traces may be plated with tin or silver for extra protection. The connectors are also available in ULV0 flammability rating, which means that they are extremely resistant to fire and temperature. Additionally, FFCs have low crosstalk interference, due to their flat, flexible design.

Advantages

FFC connectors are a convenient and efficient choice for many applications due to their small size, flexibility, and low weight. They can be used in tight spaces, which increases design flexibility and installation speed. Additionally, the small size and low weight reduce costs associated with packaging, shipping, and installation. Another advantage of FFC connectors is their low insertion force, which makes them easier to use than rigid connectors. Lastly, their low voltage, low power design makes them extremely reliable in harsh environments.

Conclusion

FFC, FPC (Flat Flexible) Connectors are versatile and reliable interconnects that can be used in a wide range of applications. These connectors offer a range of advantages, including small size, low weight, low insertion force, and low voltage and power design, making them an ideal choice for many applications.