2013928-8 Connectors, Interconnects

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FFC, FPC (Flat Flexible) Connectors

Flat flexible connectors (FFCs), also known as flat flexible cables (FPCs), are electrical interconnects that are made out of flexible cables with flat conductor and insulation layers. They are used in a variety of applications, ranging from industrial to consumer electronics. Since these connectors can be used in much thinner and confined spaces than other types of connectors, such as ribbon connectors and coaxial cables, they have gained increased interest and application over the past few years. This article will discuss the application fields and working principles of FFC, FPC connectors.

Application Fields

FFC and FPC connectors are primarily used in two types of applications: for low-voltage and low-amperage applications, and high-voltage and high-amperage applications. In low-voltage and low-amperage applications, these connectors are used as data interconnects, and are often found in electronic systems such as cell phones, personal computers, and printers. In high-voltage and high-amperage applications, the connectors are used to link power distribution systems or link power supplies. Additionally, these connectors are used in other more specialized applications, such as in medical equipment, automotive electronics, aerospace applications, and telecommunications.

Working Principle

FFC and FPC connectors are essentially composed of a flexible cable with flat conductor and insulation layers. The connectors are available in various configurations, including parallel ribbon, side-by-side ribbon, circular, and hybrid configurations. The conductors consist of copper or aluminum and are insulated using layers of plastic or other materials. In order to make a connection, two matching connectors must be used: one is mounted on a printed circuit board (PCB) or other substrate, and the other is mounted on a mating device or other piece of equipment. The connectors are then mated together, and the electrical connection is made.

The connectors are also designed for good electrical performance in order to ensure reliable signal transmission. The electrical performance of the connectors is determined by their contact resistance, which is a measure of the resistance between two contacts in the connector. This resistance can be reduced by using low-resistance materials in the contact area and increasing the contact area. The connector\'s ability to remain undamaged in harsh environments is also important, and the connectors must be rated for the temperature, environmental conditions, and mechanical shock they may be subjected to in their application.

Conclusion

FFC and FPC connectors are an increasingly popular type of electrical interconnects that can be used in a variety of applications, ranging from low-voltage and low-amperage applications to high-voltage and high-amperage applications. These connectors are composed of flexible cables with flat conductor and insulation layers, and are designed for good electrical performance in order to ensure reliable signal transmission. They can be used in a variety of industries, including medical equipment, automotive electronics, aerospace applications, and telecommunications.

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