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Flat Flexible Cables (FFCs) and Ribbon Jumpers (RJs) are among the most popular types of cables used in both industrial and consumer applications. These types of cables are well suited for applications where broad, wide, or even curved wire runs are needed, such as those found in automobiles, marine, aerospace, medical, and many other applications. FFCs and RJs are commonly used in these applications due to their flexibility, durability, and their ability to support high voltage. In this article, we will discuss the application fields and working principles of FFCs and RJs.

Application Fields

The most common use for FFCs and RJs is for applications in the automotive, marine, and aerospace industries, which require reliable connections over a broad or wide area. The flexibility of this type of cable makes it an ideal choice for tight spaces, allowing for space-saving installations with minimal effort. FFCs and RJs are also highly durable and resistant to water, oil, and dirt, making them perfect for use in tough or harsh environments. This type of cable is also popular in medical applications, where its flexibility makes it easy to adapt to the changing needs of patients while simultaneously keeping the wiring orderly and safe. Additionally, FFCs and RJs can also be used in industrial applications, such as those requiring robot arms and electronic assembly lines.

Working Principle

FFCs and RJs are composed of two main components: the flat flexible cords (FFCs) and the ribbon jumpers (RJs). FFCs are typically composed of a flexible island of filaments or wire cores made of copper, each with a layer of insulating material on the outside. When connected, these flexible conductors are routed along a board or chassis in a certain pattern, creating an electrical connection between two points. RJs, on the other hand, are made of flat flexible cord that is joined together by a variety of fasteners. When connected, these flat flexible cords form a continuous chain, which can be routed along a board or chassis in various patterns. Both FFCs and RJs make use of contacts and contact carriers to connect and electrically bridge the individual conductors.

FFCs and RJs are typically secured on one end, such as a contact, socket, or connector, and the other end is free to route along a desired path. Depending on the type of connection, contacts such as tab, butt, blade, and pin contacts may be used. Once the FFC and RJs are connected to the desired locations, they can be secured in place using a variety of methods, such as screws, clamps, or adhesive. The connectors are then bonded together with the soldering or crimping process to electrically bridge the contacts and ensure a secure and reliable connection.

In conclusion, FFCs and RJs are highly versatile cables that are well suited for a variety of industrial and consumer applications. These cables offer flexibility, durability, and the ability to support high voltage applications, making them a great choice for applications requiring broad, wide, or even curved wire runs. Additionally, the wide variety of contact types and securing methods allow these cables to be adapted to almost any type of application.

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