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Flat flex cables and ribbon jumper cables are two common types of electronic cable assemblies. While they have trait similarities, they each service different applications and have different working principles.

Flat flex cables, often referred to as flex-rigid cables, are especially suitable for achieving high-performance electronics. This type of interconnection is found primarily in tight-tolerance space applications where reliable connections are a must. Flex-rigid cables use flexible circuits that feature thin flat conductors separated by insulation and then covered by an overlay sheet. The flexible circuits are then laminated between two rigid plates, acting as support for the thin conductors and creating what is essentially a three layered cable assembly.

Ribbon Jumper cables are constructed of flat wires either embedded in a single cable or sealed in an coaxial cable. This type of cable is well suited for small, low-voltage applications because of its ability to bend without fracturing, its low weight, and its cost-effective design. Ribbon jumper cables usually feature standard pigtails, or jumpers, as well as termination ends in various sizes. The conductors of ribbon jumper cables feature enhanced thermal resistance and fatigue properties along with being more resistant to vibration.

The two types of cables have different applications as well as different working principles. Flat flex cables are used in applications requiring reliable and high-performance interconnections, such as mobile communications, industrial electronics, and networking hardware. As for the working principle of flat flex cables, they are primarily used for connecting rigid portions of a circuit board, with the lamination between two rigid plates providing support for the thin conductors.

Ribbon jumper cables are primarily used in precision electronics and low-voltage applications. The main benefit to using ribbon jumper cables is that they can easily be bent and maneuvered within tight spaces, allowing for more creative circuit designs. The cables are also often used as jumper assemblies that feature an array of standard jumper sizes and termination ends.

Flat flex cables and ribbon jumper cables each offer unique benefits and features that make them desirable within different electronics applications. By understanding the differences between them, it can be easier to determine which type of cable assembly is most suitable for a particular application.

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