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FFC & FPC (Flat Flexible) Connectors

SFW17R-2STE1LF application field and working principle

FFC/FPC connectors are interconnection products between PCB and external components. SFW17R-2STE1LF is a FFC/FPC connector which is a kind of flat flexible cable connector intended for use with flat flexible cables (FFC) or flat printed cables (FPC). It possess a self-locking system to reliably secure the insulation displacement contacts (IDC) to the FFC/FPC and is only one of the kind of FFC/FPC connectors.

The applications for SFW17R-2STE1LF are diverse. For instance, they can be used in consumer and office electronics, such as laptops, digital cameras, camera modules, portable media players, consumer lighting, printers, power supplies, projectors, and many more. Also, they provide connection in industrial cameras and robotics, electric toothbrushes, and medical & security equipment.

Working Principle

The SFW17R-2STE1LF is a self-locking FFC/FPC cable connector. The locking system, or “retainer,” is made of two pieces which press the cable in place, securing the contacts. The operation begins when the retainer is closed. The first piece firmly holds the FFC/FPC cable in the connector. Then, when the second metal retainer is closed, a flexible metal bar presses against the other side of the FFC/FPC cable, securing it in place.

In order to ensure the most reliable electrical connection between the cable and the contacts inside the connector, the contact points of the retainer dig into the insulation material of the FFC/FPC cable. By applying sufficient pressure, it ensures a precise connection with the IDC. This design allows for a high contact stability and vibration resistance.

Conclusion

The SFW17R-2STE1LF FFC/FPC connector is highly versatile and provides reliable, secure connections in the application fields listed above. Its locking system ensures a robust connection and its design facilitates a reliable electrical connection when properly used.

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