503566-3700

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Flat Flexible Connectors, commonly known as FFC and FPC, are wafer-thin mating connectors that were designed to provide an electrical connection between two printed circuit boards. They have numerous applications in consumer electronics, where their low-profile and small size make them ideal for ruggedized products such as digital cameras, cell phones, PDAs, printers and more.

FFC and FPC connectors are made of a flat ribbon cable divided into several sections by an integrated conductor. The conductor, usually made of copper, is insulated by a thin layer of a dielectric material, such as polyethylene (PE) or polypropylene (PP). The cable sections are also connected to each other by a flexible cable tie. The cable tie helps keep the cable in place and also prevents the wires from fraying or breaking apart.

The most common type of FFC connector is the 503566-3700, which is a two-row, nine-contact connector. This type of connector is used for signal and power applications in consumer electronics and includes a standard 0.059-inch-pitch contact arrangement. The 503566-3700 is also fully compatible with the standard 0.062-inch-pitch contact arrays found on most printed circuit boards.

The working principle of the 503566-3700 connector is based on the electrical contact between the flat cable and the terminal pins. The contact between the cable and the pins occurs in two ways. First, the pins are inserted into the corresponding slots in the cable, making a physical connection. Then, inside the connector, there are spring-loaded arms that press against the cable. These arms apply a small amount of force onto the cable, ensuring that the pins are in contact with the corresponding wires within the cable.

FFC and FPC connectors are versatile and reliable, making them a popular choice for applications that require small size and low profiles. Their small size allows them to fit easily in even the tightest spaces without sacrificing any of the electrical performance. The connector also provides additional protection from environmental factors such as dust, dirt, moisture and other corrosive materials. As a result, 503566-3700 connectors are used in many consumer electronic applications and are an important component in the connectivity industry.

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