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Flat Flexible Ribbon Cables (FFRs) are specifically designed for applications where multiple conductors and pliable flexibility in confined spaces are desired. Used in a variety of consumer products and high-end and military applications, they are a technology that advances the design requirements of today\'s higher density electronics.

Flat flexible ribbon cables are constructed from coated copper or copper alloy flat strands bonded together. The conductors are insulated with a durable dielectric material and then formed into a flat cable format. When the FFR is in it\'s flat position, the conductors are 0.015" - 0.006" apart, compared to 0.005" for standard ribbon cables. This spacing allows the conductor to move within the ribbon and the cable to flex easily in a certain direction when bent.

FFRs can be used in various applications such as internal circuitry, printed circuit boards, signal transmission, and general wiring. They are used for wiring, connecting, and grounding for internal electrical components in a host of commercial, military, and aerospace applications. The low profile design of FFRs allows them to be used in applications where space is at a premium, such as backplanes, cars and airplanes. The high conductivity material, along with high-temperature capabilities allows FFRs to be used in high-temperature applications.

FFRs can be engineered for customized applications. Different combinations of material, insulation, and plating can be used in order to meet specific design requirements. FFRs can accommodate for a wide range of pin spacings and feature a minimum operating temperature of -40°C. Flat flexible ribbon cables are rated according to how much current they can conduct safely while operating in various temperatures.

The working principle of a flat flexible ribbon cable is the same as a standard ribbon cable, with the conductors being insulated and each conductor being separated from the others by a thin dielectric material. The main difference is the greater spacing of the conductors which allows for improved flexibility. The spacing also allows for improved signal integrity as the conductors are further away from each other and they are not grouped together as they are in a standard ribbon cable. The greater spacing also eliminates the risk of an electrical short occurring due to an unintentional cut in the insulation.

Flat flexible ribbon cables are used in a variety of applications ranging from consumer products to military applications. The increased spacing and thinner dielectric material used in FFRs provide superior flexibility and durability in high temperature and challenging environments. The wide variety of available materials, insulation, and plating options provide the designer with a great deal of flexibility to customize the FFR for the desired application.

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