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Flat Flex, Ribbon Jumper Cables

Flat flex and ribbon jumper cables are two separate cable designs that both offer several advantages for various applications. Flat flex cables are constructed from a single layer of flat wires, while ribbon cables feature layers of wires arranged in multiple length runners, allowing for higher power capabilities and better inter-conductor insulation. Let’s explore the application field and working principle of these two cables more in detail.

Flat Flex Cables

Flat flex cables are mainly used for data transfer in commercial and military electronics applications, and they are a popular choice for internal signal and power cabling in desktops, laptops, networking equipment, servers, and military applications. The primary advantage of using flat flex cables is that they can be bent into different shapes and sizes to fit in confined or difficult-to-access spaces.

Flat flex cables have metal conductors that are insulated on one side and consist of two, four, or six insulated strands of copper. The insulation of the wires varies depending on the application, with the majority of cables featuring either PVC, PE or FEP insulation, while some have been designed to use polyimide or PTFE. The wire gauge also depends on the wire type and is typically between AWG20 and AWG30.

The flat design of the cable makes it easy to form into a variety of shapes and sizes, and it can handle signal frequencies up to 5GHz. The connecting pins can also be molded in various sizes and configurations, depending on the application.

Ribbon Jumper Cables

Ribbon jumper cables are a type of twisted pair design, which means that the insulated wires are twisted together in groups or ribbon of multiple wires. This twisted design offers several advantages over Flat Flex cables, such as improved transfer speed, greater EMI protection, and greater noise reduction. Ribbon jumper cables are also designed to be extremely flexible, which makes them well suited for a variety of applications, from network cabling and small device cabling to industrial applications.

Ribbon jumper cables consist of multiple pairs of stranded, insulated wires wrapped on a reel and are designed to be used with standard Ethernet connectors. The wires can be insulated by various materials, such as PVC, FEP, Teflon, or Polyimide. The ribbon can usually handle up to 5GHz, and the wire sizes range from AWG28 to AWG24.

The flexibility of the cable and the twist configuration of the wires make it easy to install in tight areas that are hard to access with traditional cables. The twisted configuration also helps improve EMI retention and ensures greater noise reduction, which makes the cable an ideal choice for multiple applications, such as medical instrumentations, industrial, and automotive.

Conclusion

Flat flex and ribbon jumper cables both offer several advantages for various applications. Flat flex cables are ideal for use in data transfer in commercial and military electronics applications, while ribbon jumper cables offer a twist design that provides improved transfer speed, greater EMI protection, and greater noise reduction. Both cables are flexible and easy to install in tight areas, making them a popular choice for commercial, industrial, and military applications.

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