0210390946

Series:	Premo-Flex™ 21039
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Cable Type:	FFC, FPC
Moisture Sensitivity Level (MSL):	--
Number of Conductors:	25
Pitch:	0.039" (1.00mm)
Length:	3.000" (76.20mm)
Length - Exposed Ends:	0.157" (4.00mm)
Termination Style:	Top on One Side, Bottom on Other, Backers on Both Sides

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Flat Flex, Ribbon Jumper Cables - Application Field and Working Principle

Flat flex ribbon jumper cables are a type of electrical cables used for connecting components on a circuit board. These all-purpose ribbon jumper cables are versatile, easy to use, and provide protection against electrical shorts. The cable is typically constructed with a flat, multistrand conductor, with metal clamps or boots for insulation, along with a grounding clip.

Application Field

Flat flex ribbon jumper cables can be used in a variety of applications, including automotive, audio, and industrial equipment. They find use in situations where flexibility, versatility, and protection from electrical shorts are important considerations. The cables are used to connect components on circuit boards and in wiring harnesses, as well as to provide signals between two points on a circuit.

Working Principles

The working principle of flat flex ribbon jumper cables is fairly simple. The flat, multistrand conductor provides an electrical connection between two points on a circuit. The metal clamps or boots act as insulators, which keep the electrical signal from leaving the cable and entering sensitive components on the board.The grounding clip on the cable prevents an electrical short from forming if the cable comes into contact with an unexpected voltage source. This clip is usually made of metal and is connected to the ground on the board. This ensures that any voltage outside of the desired signal is safely diverted to the ground and cannot travel through the cable.

Advantages

Flat flex ribbon jumper cables are more flexible than traditional round wires, which makes them easier to install in tight spaces. The metal clamps and boots keep the electrical signal from leaving the cable and provide protection against shorts. The grounding clip keeps the circuit from being damaged by an unexpected voltage source.The cables are also more cost effective than other types of cables, as they are usually sold in large quantities at a lower per-unit cost. They are also lightweight and compact, making them easy to transport and store.

Disadvantages

The main disadvantage of flat flex ribbon jumper cables is that they can be easily damaged if not properly handled. The insulation on the outside of the cable can be easily scratched, pierced, or torn, which can lead to electrical shorts or a complete failure of the cable. They also cannot be bent sharply, as this can damage the multistrand conductor.

Conclusion

Flat flex ribbon jumper cables are an efficient and cost effective way to connect components on a circuit board. They provide protection against electrical shorts and are flexible and lightweight. However, they are easily damaged if not properly handled, and must be bent slowly to avoid damage to the conductor.

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