Flexible Flat Cable SpecificationsFlexible flat cable also known as FFC, refers to an electrical cable that is both flat and flexible. This cable is a type of flexible electronics cable. The term FFC, however normally refers to extremely thin flat cable often found in high density electronic applications like laptops and cell phones. A typical Flexible Flat Cable is shown in figure with some general specifications mentioned below:

Specifications:

  • Pitch

The spacing between the conductors. The pitch normally refers to the distance from center of a conductor to the center of its adjacent conductors. A sole FFC can have different pitches among different conductors within the same cable, yet it is uncommon. FFC are presented in many pitches, i.e. 0.500 mm, 0.635mm, 0.625 mm, 0.800 mm, 1.00 mm, 1.25 mm, 1.27 mm, 2.00 mm and 2.54 mm but the most common pitches used  are 0.500 mm and 1.00 mm.

  • Type

Some of the cables have exposed contacts on same side at each of their ends. Other cables have exposed contacts on matching sides of the cable so that if the cable is lying flat, one end would have face up contacts while the other one will have face down contacts.

  • Exposure length and distance

The distance and length of the electrical contact which has been exposed at the end of the cable.

  • Stiffener

Many FFCs have some of the extra material attached at the opposite side of the exposed length of cable so as to facilitate LIF or ZIF connections.

  • Conductor’s size

Conductor’s size is the thickness and width of the conductors

Now the FFC Cables are extensively used in a range of printer connections between the head and motherboard, LCD appliances, stereos, photocopiers, scanners, plotters, DVD players and many other products and in a variety of signal transmission and plate board connections. In modern electrical equipment, Flexible Flat Cables can be found nearly everywhere.

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