Flexible flat cableSpecifications
Number of conductors
This is the total number of conductors in the cable, ranging from a few to over 100. Conductors are also called "pins." For example, a 20-conductorFFCThe cable is called 20 pin.
The spacing between conductors.
Pitch is usually the distance from the center of one conductor to the center of its adjacent conductor. FFC cables are available in many pitches such as 0.500mm, 0.625mm, 0.635mm, 0.800mm, 1.00mm, 1.25mm, 1.27mm, 2.00mm, and 2.54mm, but the most common pitches are 0.500mm, 1.00mm, and 1.25mm. Custom pitch and multi-pitch FFCs are available upon special request.
type
Some cables (called Type 1 by Würth Elektronik or Type A by Molex) have exposed contacts on the same side at both ends. Other cables (marked Type 2 or Type D) have the exposed contacts on opposite sides of the cable (so if the cable is lying flat, one end will have contacts facing up and the other end will have contacts facing down).
Exposed length
The length of the exposed electrical contacts of a cable terminal.
Most FFCs have some sort of additional material on the other side of the exposed length of cable to facilitate a ZIF or LIF connection.
Nowadays, FFC cables are widely used in the connection between printer print heads and motherboards, plotters, scanners, copiers, stereos, LCD appliances, fax machines, DVD players, as well as signal transmission and circuit board connections. FFC cables can be found almost everywhere in modern electrical equipment.
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