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FFC, FPC (Flat Flexible) Connectors

Introduction

FFC (Flat Flexible Cable) and FPC (Flexible Printed Circuit) connectors are used for high density connections between two mating circuit boards, or between two mating connectors. FFC connectors offer advantages such as high flexibility, superior electromagnetic interference (EMI) shield, and strong connection for transmission lines. These connection technologies enable devices to fit into confined spaces and have a lightweight design.

Application Field

The FFC connector is widely used in portable electronic devices, particularly in devices such as laptops, PDAs, digital cameras, cell phones, printers and display, etc. due to its compact design. It is also widely used in automotive, industrial, and consumer electronic applications.

Working Principles

FFC connectors use a small-sized cable to provide interconnections between two mating circuit boards. The conductive pins or tabs are normally replaced with flat, flexible cable that is pre-terminated with a special connector housing at either end of the cable assembly. FFC connectors are composed of two mating connectors, which can be oriented such that the pins or tabs do not have to line up directly with each other. Instead, the pin or tab contacts are located at the edges of the cable assembly, so that the connectors can be easily mated by simply pressing them together.

FPC connectors use a flat printed circuit board to provide interconnections between two mating circuit boards. These connectors can be as small as 0.3mm and provide high reliability and superior EMI shielding performance due to its construction. The construction of FPC connectors also makes it suitable for use in tight spaces with low-power requirements such as those found in portable electronics.

Conclusion

FFC and FPC connectors offer a wide range of advantages such as their flexibility, EMI shielding and their suitability for use in tight spaces. These connectors provide efficient and reliable interconnects between components located on two mating circuit boards, thereby allowing devices to be designed with a minimal amount of space while still providing the necessary electrical connections.

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