FFC cable, also known as Flexible Flat Cable, has the basic characteristics of being super soft, flexible, and can be folded arbitrarily. But the strength of the FFC cable itself is not high. Increasing the thickness will affect its softness, but it can also increase its strength. This is determined by the materials used in FFC. Because the FFC cable is composed of upper and lower insulating films with a flat copper conductor pressed in the middle, the thickness of the cable IT = the thickness of the upper film + the thickness of the conductor + the thickness of the lower film.
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The thickness of the FFC cable is usually 0.12mm, consisting of 0.043 upper film, 0.043 lower film, and 0.035 conductor thickness. The conductor thickness has the greatest impact on the performance of the cable. The thickness at this position can determine the actual current performance of the cable. As the thickness increases, the allowable tolerance range will be relaxed.
For example, the conductor thickness is 0.035mm, the allowable dimensional tolerance is ±0.005; the conductor thickness is 0.05mm: the allowable dimensional tolerance is ±0.005; the conductor thickness is 0.1mm: the allowable dimensional tolerance is ±0.01.
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