0210200409

Series:	Premo-Flex™ 21020
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Cable Type:	FFC, FPC
Moisture Sensitivity Level (MSL):	--
Number of Conductors:	38
Pitch:	0.020" (0.50mm)
Length:	4.000" (101.60mm)
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 cables, or ribbon jumper cables, are a relatively new technology that has emerged as an important component of many electronic circuits. Unlike traditional copper cables and wire, flat flex cables are much thinner and more flexible. This makes them ideal for use in small electronic equipment, where standard copper cables may be difficult to fit within the confines of the device. Flat flex cables are made up of a thin, flexible sheet material, usually plastic, that is coated with a thin layer of copper. The copper coating is then bonded to the plastic sheet through a method called plating. The copper coating is usually encased in a protective coating, such as a plastic insulation, to help protect it from damage and corrosion.Flat flex cables are used in a wide variety of applications, ranging from computers and phones to medical equipment and industrial machinery. They are typically used in low voltage environments, such as those found in many electronic devices. In these applications, flat flex cables offer the advantage of being much lighter and more flexible than traditional copper cables. This makes them easier to install and maintain.The working principle of flat flex cables can be broken down into two main components: the conductive copper sheet and the protective insulation. The conductive copper sheet is responsible for carrying the electrical current through the cable, while the insulation works as a barrier and insulates the copper sheet from other materials and potential sources of interference.When an electrical current is applied to the flat flex cable, the copper sheet produces an induction field, which causes electrons to flow in the direction of the current. This allows the current to pass through the flat flex cable without any significant loss of energy. The insulation helps to contain the induction field and keeps the current in the cable.Due to its lightweight and flexible nature, flat flex cables are also well-suited for use in portable electronic devices. They are often used to connect radios, phones, and other handheld devices to the main power supply. This type of application often requires flat flex cables that are relatively short and flexible, with an outer shield to protect against interference.Overall, flat flex cables are a versatile and increasingly important component of many electronic circuits. They are ideal for applications of all sizes, from small electronic devices to biomedical equipment and industrial machinery. With their durability and flexibility, these cables are increasingly being used in a variety of applications, making them an invaluable part of modern technology.

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