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Prayer Request: What are FFC (flat flexible cables)?

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What are FFC (flat flexible cables)? (Aug 31, 2023)

Prayer Request:
What are FFC (flat flexible cables)?FFC (flat flexible cable) is a ribbon-type cable used to connect PCBs. It is typically used in laptops, cellphones, and other high-density electronic applications. FPC (flexible printed circuit) is sometimes used to refer to FFCs, but one important difference is that FPCs incorporate components, while FFCs are typically straight connections without components.Get more news about Ffc Cable Manufacturer,you can vist our website!FFCs became the PCB standard interface in the 1970s. The cable consists of a plastic film that contains multiple flat metallic conductors bonded to one surface. Thin rectangular copper conductors are laminated between two layers of polyester insulation. Each end of the conductors is left uncovered and then tin plated to make electrical contact with the connector. The ends of the cable are sometimes reinforced with a stiffener for easy insertion or strain relief. This makes the cable slightly thicker at the ends.FFCs are suited to high-flex applications because they often take up less space, offer greater flexibility, and are more flexible than round cables, which are wrapped by different materials. The wires in FFC are protected individually.Initially, termination technology was either direct solder (a permanent connection for low-cost applications) or crimped contacts (a separable connection for high-end pluggability). ELCO developed the first card edge style connector in 1986 to mate directly to the FFC. This low insertion force (LIF) type connector provided simple and reliable mating and unmating of the cable to the printed circuit board. ELCO’s 8370 Series became an industry standard for cost-effective FFC terminations. In 1987, ELCO introduced the first zero insertion force (ZIF) connector, Series 6200, which provided increased mating and unmating cycles.The number of conductors (pins) can range from just a few to more than 100. Pitch – Many pitches are available, but the most common are 0.500 mm, 1.00 mm, and 1.25 mm. Custom pitch and multiple pitch FFC may also be available. Type – Some cables (described as Type 1 by Würth Elektronik or Type A by Molex) have the exposed contacts on the same side at each end. Other cables (labeled Type 2 or Type D) have the exposed contacts on opposite sides of the cable. Exposure length refers to the length of the electrical contact exposed at that termination of the cable. Stiffener – Extra material attached on the opposite side of the exposed length of the cable to facilitate ZIF or LIF.

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