0210490906

Series:	Premo-Flex™ 21049
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Cable Type:	FFC, FPC
Moisture Sensitivity Level (MSL):	--
Number of Conductors:	21
Pitch:	0.049" (1.25mm)
Length:	5.000" (127.00mm)
Length - Exposed Ends:	0.197" (5.00mm)
Termination Style:	Top on One Side, Bottom on Other, Backers on Both Sides

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Flat Flex, Ribbon Jumper Cables

Flat Flex (FF) conductor cables are generally divided into two basic categories—ribbon flat flex (RFF) and single-ended flat flex (SEFF). These cables carry power or signals to electronic components on a printed circuit board.Ribbon flat flex cables (RFF) are composed of multiple stranded insulated copper or tinsel conductors. Ribbon cable utilizes a flat fold-over technique and each conductive element is typically separated by a plastic or polyimide adhesive film. Each conductor is covered on both sides with an insulating film such as thermoplastic or polyimide. This gives the flat flexible cable the ability to move and flex in tight and confined spaces. Ribbon RFF cables offer the advantages of low cost, low profile, decreased crosstalk interference, and easy installation.Single-ended flat flex (SEFF) cables are a single-ended variant of the RFF type cable. They are constructed in a similar way but utilize a single continuous conductor instead of multiple stranded conductors. SEFF cables have the ability to flex and bend without the folds needed in RFF cables. They cost more than RFF cables, but their flexibility makes them ideal for applications that involve constant movement and bending. Another advantage of the SEFF cable is its increased durability, since these cables are less prone to wear and tear.The working principle of flat flex cables is similar to that of regular cables. Both consist of insulated stranded conductors placed in close contact with one another in order to form an electrical connection. However, flat flex cables provide increased flexibility and also reduce crosstalk interference. This is because the insulated conductors allow for reduced contact area and better insulation from ambient environment.Flat flex cables can be used in a variety of applications. For example, they are often used in the aerospace, medical, telecommunications, automotive, and electronic industries. They are also used in products such as printers, computers, and laptops.Flat flex cables can also be used in applications that involve constant movement and vibration, such as robotic arms. The flexibility of the cable enables it to be manipulated easily and improve the efficiency of manual labor. Furthermore, their low cost and ease of installation make them a suitable choice for industrial automation.Overall, flat flex cables are a great choice for power and signal applications. Their flexibility and low profile allow them to be used in a variety of situations, while their reduced crosstalk interference make them ideal for applications that require sensitive electronics. Moreover, their low cost and easy installation make them an ideal choice for a wide range of applications.

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