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FFC, FPC (Flat Flexible) Connector

The FFC (flat flexible connector) and FPC (flexible printed circuit) connector are two similar types of electrical connectors. Though they have similar characteristics and applications, their construction, working principle, application field, and features are different. This article will explore both types of connectors in further detail.

Construction

FFC connectors are generally composed of a plastic body, two flexive flat bands, and two terminals. The two flat bands are made of a sheet of metal through which terminal pins are fed, while the two terminals are riveted to either side of the flexible bands to which a wire can be soldered. FPC connectors are similarly constructed with a body, flexible flat bands with terminal pins, and two terminals.

Working Principle

Both FFC and FPC connectors have similar working principles. The two flat bands are designed to move in unison when the connector is engaged, allowing the terminals to make contact with their mating connectors. The movement of the bands can be performed with either a mechanical or pneumatic mechanism.

Application Field

FFC connectors are mainly used in industrial and consumer electronics, especially in applications that require flexibility, such as light-weight portable devices. FPC connectors are mainly used in applications that require more precise connections. Examples include medical equipment, automotive connectors, and telecommunications.

Features

FFC connectors are cost-effective, reliable, and occupy less space than other interconnects, making them ideal for applications where space is limited or where board-to-board or board-to-wire connections are necessary. FPC connectors are often smaller and more light-weight than their FFC counterparts, making them ideal for applications that require smaller modules. They are also more durable than FFC connectors and are capable of housing more pins in less space.

Conclusion

FFC and FPC connectors are two similar electrical connectors with different characteristics and features. While FFC connectors are more cost-effective, reliable, and occupy less space, FPC connectors are smaller, more light-weight, and more durable. Both types of connectors are widely used in various applications, from consumer electronics to medical equipment.

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