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Flat Flexible Connectors, or FFC, FPC, are connectors which feature flat electrical contact terminated on wires or printed circuit boards. They’re designed to provide an accessible and inexpensive way to connect electronic components together in a compact, efficient manner. The connectors are commonly used in consumer electronics, automotive, and industrial applications.

The Flat Flexible Connector (FFC) is the standard flat connector used in electronic products resembling a printed circuit board. It consists of a flat ribbon cable with two flat pad contacts at each end. Its size varies depending on the application, but the most common size is 0.5mm pitch. It is very easy to connect and disconnect, and has a very low risk of short-circuiting and offer superior electrical properties. It is suitable for high-density packaged products such as laptops, notebook computers, and other consumer electronics.

The Flat Printed Circuit Board (FPC) is the most versatile form of FFC as it is suitable for a wide range of applications and can be used for both surface mount and through-hole devices. FPCs are available in two different pin configurations, single-row or double-row, depending on the application and space requirements. The main advantage of FPC over FFC is that it is much easier to route on a PCB. FPC can also be easily printed and integrated onto any standard printed circuit board.

FFC and FPC connectors are very simple, reliable and cost-effective solutions for connecting dense electrical components. They are typically used to connect miniaturized circuits and other surface mount components. FFC and FPC offer high performance in a variety of connection configurations, from 1-500 contacts in single- and double-row formats. The flat connector design of FFC and FPC connectors makes them much more durable than traditional wire-to-board connections and allows for quicker connection and disconnection.

In terms of working principle, FFCs and FPCs are very similar. Both feature a set of flat pad contacts terminated to a flexible flat cable at either end. The pad contacts are designed with properly spaced contact fingers that are aligned in the same direction as the cable. The contacts are engaged by slightly pressing the pads together and then the flexible cable is positioned and secured. To ensure proper connections, two additional films or cover layers may be used, providing additional protection to the contacts.

FFC and FPC are widely used in a wide range of applications including consumer electronics, automotive, and industrial markets. These connectors can be used to easily and reliably connect small-scale electronic components in tight spaces, providing superior reliability and performance. FFC and FPC connectors also offer very good electrical properties, including low-voltage drop and low-contact resistance. Due to their versatile nature, FFC and FPC connectors are becoming increasingly popular for their comparative ease of installation, smaller form factors, and flexibility in routing connections.

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