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FFC, FPC (Flat Flexible) Connectors

Flat Flexible Connectors (FFC) and Flexible Printed Connectors (FPC) are two of the most popular types of connectors deployed across the electronics industry. FFC and FPC are used in applications where wiring flexibility and space savings are important, such as backplane connectors, cable connectors and boards with interconnection issues. SFV20R-2STBE9HLF is one such type of FFC/FPC connector.

Application Field

Flat flexible connectors play a critical role in the connectivity field and are popularly used in applications such as consumer electronics, medical equipment, and the telecommunications industry. In consumer and consumer electronic applications, FFC/FPC provide a fast, easy, and cost-effective solution to securely connect in a light weight, space saving package. Additionally, in a real-time consumer setting, FFC/FPC can be used in portable equipment such as media players and portable medical monitors. The FFC/FPC consists of two parts that are held together using pressure contact. In medical applications, FFC/FPC is used in miniature medical devices, such as hearing aids. The connector also finds useful applications in telecommunications. In this field, FFC/FPC is used to reduce clutter in complex service connections.

Working Principle

FFC/FPC is easily understood to be a flat ribbon cable which has tiny conductive paths running along it. This flat ribbon cable is typically a single thickness of insulation material, with two rows of contacts running along it. At each end, two lengths of wire are molded onto the flat cable to form a type of \'plug\' and is generally sold in a length of 3 to 6 in. Receptacles and headers are also available as alternate connection types.

The flat cable itself is normally composed of polyester, polyimide, or polyethylene terephthalate (PET) with two rows of contact metal along the inner surfaces. Often, the contacts are gold plated to ensure long-term use and minimal connection failures. The primary basic type of connection uses the wiping action of the contacts on the flat cable, which creates an electrical connection between the wires.

FFC/FPC connections are popular for their easy installation, small size, light weight, and the ability to accommodate several connections within a small space. FFC/FPC is especially beneficial for networking components, communication equipment, and in medical equipment. FFC/FPC is also noted for its simple and efficient installation process; after plugging the connector into the mating computer or board, the connector locks when the cable is attached to the plug.

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