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Flat Flex & Ribbon Jumper Cables

Flat Flex & Ribbon Jumper Cables (FFRJCs) are products used by many companies that operate in areas including telecommunications, medical, automotive, industrial, aerospace and military. They are highly reliable products used to provide power or signal connections between electrical and electronic components such as control circuits, power supplies, and video/audio equipment. The products range from jumper cables, to thermal bonding wires, to various lengths and shapes of flat cables.

Flat Flex Cables

Flat Flex Cables, or FFC, are flat cables with conductive wires attached at spaced intervals along a generally rectangular body of insulation material. The insulation may be made of a range of materials, including plastic, polyester, polyimide, or Kapton. The wires can be of round or flat cross-sections and are soldered or clamped into position. These cables are available in a variety of lengths, widths, thicknesses, and colours, and may have different numbers of conductive wires, depending on their application.

FFCs are generally used to create an electrical connection between two components in electronic or appliance equipment. They are suitable for a variety of applications in consumer and industrial markets, including computers, medical equipment, audio-visual systems, and robotics. Additionally, they are often used in high-density applications, where the size of components and cables are important considerations.

Ribbon Jumper Cables

Ribbon jumper cables (RJCs) are composed of a flat cable of multiple insulated conductive wires, arranged in a parallel, ribbon pattern. The wires are attached to a plastic base material whose height and thickness are usually determined by the application. Generally, RJCs come in two versions: tight buffered, where the wires are tightly sealed in the base material, and unbuffered, where the conductive wires are slightly exposed and can be connected directly to a circuit board.

RJCs are commonly used in short-distance serial data connections for signals of up to 32 wires. They are also used to connect power and control circuits between different components in consumer and industrial electronics, such as computers, medical equipment, and audio-visual systems. They are also used in communication cables and telecommunications, as well as in automotive, aerospace, and military applications.

Working Principles

Both FFCs and RJCs use the same simple principle; the connection of the conductive wires between two electrical devices. Each of the wires in the flat cables consists of a thin metal strand, coated with an insulation material, typically made of a plastic, such as polyethylene, Teflon, or another type of fluoropolymer. This insulation keeps the wires separated and prevents them from making a short circuit or interfering with other wires. The conductor wires are then held in position by a base insulating material, often made of soft plastic, silicon, or composites.

To establish a connection between two electrical devices using an FFC or RJC, each of the connector pins of each device needs to be connected to the corresponding conductor wire in the cable. This is done by soldering the pins to the conductor wires, or by using small clamps. The cables are then connected to the devices in the desired configuration, and the connection is complete. The FFC or RJC can then carry the desired electrical signals or power between the connected devices.

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