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Flat Flexible Cable (FFC) and Flexible Printed Circuit (FPC) Connectors have revolutionized the way electrical hardware communicates with its counterpart. FFC and FPC connectors are board-to-board connectors that provide a simple yet reliable way to transfer power, data, and signals between two electrical components. FFC and FPC connectors offer a safe and secure interconnect solution in applications where space and shock & vibration requirements are an issue.FFC and FPC connectors are used in a variety of applications, ranging from audio systems, medical equipment, industrial appliances, consumer electronics and more. The key difference between FFC and FPC connectors is that FFC connectors are typically used for cables that are substantially shorter in length, whereas FPC connectors are more often used for longer cables, allowing for a greater number of bends.FPC connectors are often used in applications where space and weight are a premium. With FPC connectors, printed circuits are run through the contacts of the connector, creating an extremely slim profile. The connectors are also designed to have as few parts as possible, reducing their weight. This makes them well suited for applications where space and weight are major factors, such as laptops, tablets and cell phones. In contrast, FFC connectors are designed to accommodate flexible flat cables. The connectors are highly customizable and are often used in audio/video, consumer electronics, and automotive applications. FFCs are especially well suited for small spaces and tight bending angles, making them perfect for applications such as point-of-sale terminals, hand-held instruments, and hard-to-reach areas. At the heart of both FPC and FFC connector systems is the contact mechanism. This is the part that provides power, signal, and even data connections between the board-to-board connectors. Since the contact mechanism is the most crucial part of the system, its design must be able to handle the varying needs of the application.For FPC connectors, the contact mechanism is typically a plunger-type, which provides an effective connection as the high contact point of the plunger makes contact with its counterpart on the PCB. It requires no mating between itself and the component, as the connector’s components are already attached to the printed circuit board. FFC connectors come in two distinct contact types: the ZIF (Zero Insertion Force) and the “LF” (Latch Forward). The Zero Insertion Force type requires little effort when connecting and disconnecting the cables, making it ideal for low-profile applications. The “LF” type uses a latch mechanism to secure the connector to the FPC, providing a reliable connection even in extreme temperature conditions.Finally, both FPC and FFC connectors are available in an array of sizes and contact configurations, allowing designers to select the best option for their application. For example, FPC connectors are available in 2-19 contact positions, while FFC connectors are offered in 2-40 contact configurations.In conclusion, both FFC and FPC connectors are versatile and efficient solutions for applications that require space and weight savings. Designer should consider these connectors for a wide array of applications, including audio/video, consumer electronics, automotive, and medical. Their slim profile and robust design make them well suited for tight spaces and extreme conditions.

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