Series:	Premo-Flex™ 21039
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Cable Type:	FFC, FPC
Moisture Sensitivity Level (MSL):	--
Number of Conductors:	22
Pitch:	0.039" (1.00mm)
Length:	12.0" (304.8mm)
Length - Exposed Ends:	0.157" (4.00mm)
Termination Style:	Top on Both Sides, Backers on Both Sides

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Flat Flex, Ribbon Jumper Cables Application Field and Working Principle

Flat Flex, Ribbon Jumper Cables are used to connect two electronic circuits, in order to transfer energy, signals, and other components reliably, quickly, and safely. The application field of flat flex, ribbon jumper cables covers a very wide range.

Home Appliances

Flat flex, ribbon jumper cables can be used in many common home appliances. For example, in automatic equipment, such as washing machines, electric kettles, electric vacuum cleaners, air conditioners, and refrigerators, flat flex, ribbon jumper cables are often used for transmission, control, and communication of power and signals.

Automobile Industry

In the automotive industry, flat flex, ribbon jumper cables are the connection mode of many circuit boards inside the car, such as airbags systems, power steering systems, automatic transmission systems, and tire pressure monitoring systems. The flat flex, ribbon jumper cables must have sufficient stretch and wear resistance to withstand the harsh vibration environment in the car.

Electronics Industry

In the electronics industry, flat flex, ribbon jumper cables are widely used for joint functions of microcomputer circuits in PC boards, personal computers, laptops, tablets, mobile phones, and other electronic equipment. For instance, flat flex, ribbon jumper cables are used to connect the main board, the memory, and the power board of a computer.

Medical and Scientific Research

Flat flex, ribbon jumper cables are used in medical and scientific research institutions to connect sensitive laboratory instruments that require sophisticated signals. The stable connection with low electrical noise afforded by flat flex, ribbon jumper cables ensures reliable instrument readings.

Working Principle of Flat Flex, Ribbon Jumper Cables

Flat flex, ribbon jumper cables are constructed from a flat strip of parallel conductive tracks that are sealed to a flexible insulating film. Signals are transferred along the tracks of the cable via soldered connections created at each end. The flat flex, ribbon jumper cables can be designed to include a variety of features such as a break-away point, an EMC screen, and different termination configurations, to meet the application requirements of the customer.The working principle of flat flex, ribbon jumper cables is very simple and can be described in four steps:

• The cable is connected to the power source at one end.
• At the other end, two points of the cable are soldered to create a connection point.
• The connection point is connected to the load.
• The power is transferred from the source to the load through the flat flex, ribbon jumper cable.

Flat flex, ribbon jumper cables are both flexible and durable, enabling them to be routed in difficult-to-reach places. In addition, they can handle currents of up to 20A, making them suitable for most applications.

Advantages of Flat Flex, Ribbon Jumper Cables

Flat flex, ribbon jumper cables offer several advantages over other types of cables. The most notable advantages are:

• Flexibility. Flat flex, ribbon jumper cables are made of a flexible printed circuit which can easily conform to irregular shapes and tight spaces.
• Lightweight. Flat flex, ribbon jumper cables are much lighter than bulky wire-based cables, making them suitable for applications where weight is an issue, such as in robotics or avionics.
• Durability. The thin, flexible insulation of the flat flex, ribbon jumper cable is resistant to abrasion and vibration, and is not prone to cracking or breaking, enabling it to withstand harsh environments.
• Low electrical noise. Flat flex, ribbon jumper cables are designed to minimize the transfer of electrical noise between circuits, resulting in accurate and stable signal transmission.

Conclusion

Flat flex, ribbon jumper cables are an effective and reliable way to transfer problems from one device to another. The flexible printed circuits, lightweight design, and durability of flat flex, ribbon jumper cables make them suitable for a variety of applications. Their low electrical noise also ensures accurate and stable signal transmission.

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