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Flat Flexible cables, also known as flat flex cable, or ribbon jumper cables, are flat cables made up of insulated wires which can be flat-folded for easy storage and transport. They are designed to be used for the connection of devices and appliances, and are common in industries such as automation and robotics due to their flexibility and ability to fit into tight spaces.

They are made up of a flexible flat ribbon-like material which is usually made of polyvinyl chloride (PVC), thermoplastic elastomers (TPE) or thermoplastic polyurethane (TPU). The material can either be pre-coated with a conductor or conductor-filled. The insulation is usually a polyurethane coating, which provides protection against abrasion, oil, and chemicals. The insulation also acts as a dielectric, protecting the conductors within the flat flex cable.

The cables themselves consist of multiple strands of insulated metal or conductors, usually stranded copper wire, arranged side by side on a flat flexible material. This ensures that the flat flex cable is both flexible and strong enough to withstand the strain of bending in a variety of directions. The flat flex cables can also be arranged in different configurations, allowing for increased flexibility and versatility in a variety of applications.

One of the primary uses of flat flex cables is in industrial applications. They are frequently used in robotics and automation applications due to their flexibility and ability to fit into tight spaces. They are often used to connect electrical devices such as motors, actuators, relays, control panels, and switches. The insulation material of the cable also makes them suitable for use in harsh environments where other cable types may not be able to withstand the conditions.

Flat flex cables also have a number of other uses, such as in medical application where they are used to connect electrical monitoring equipment. They are also often used in audio and video equipment as they are able to carry a significant amount of data while still remaining flexible. This allows for a high degree of flexibility when routing cables around obstacles or through tight spaces.

Flat flex cables are designed to function over a temperature range of between -25°C to +85°C, and they are also resistant to a variety of chemicals, oils and ozone. They are able to withstand mechanical stresses due to the insulation material of the cable, and are highly resistant to abrasion and corrosion. Furthermore, they can be used outdoors in direct sunlight without any adverse effects.

The working principle of flat flex cables is based on the principle of electrical conduction. The conductors within the cable are designed to transmit electrical current from one point to the other, while the insulation material of the cable serves to protect the conductors and reduce the risk of electric shock. In order to ensure that the cable is able to operate correctly, the conductor strands must be arranged in an orderly fashion and soldered or crimped at both ends.

Flat flex cables are often found in commercial and industrial applications, due to their flexibility and suitability for use in tight spaces. They are an ideal choice for applications where protection from liquids, extreme temperatures or mechanical stresses is required, and are also highly reliable and cost effective.