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Flat Flex, Ribbon Jumper Cables

Flat flexible cables (FFC) and ribbon jumper cables are widely applied in data and power transmission due to their high mobility and reliability. Combined with FFC connectors, the two types of cable can be used for various types of application and provide a simple and efficient connection system.

21039-0447 Application Field and Working Principle

21039-0447 is a high-performance flat flexible cable (FFC) and ribbon jumper cable, designed for the development of systems that communicate with different electrical devices. It is a single-side, twisted-pair wire-mesh cable whose key features include a velocity of propagation of 85%, a signal delay time of less than 3ns per meter, and a maximum operating frequency of up to 400MHz. It also has strong temperature resistance and can operate in temperatures ranging from -20 to +75°C.

The working principle of the 21039-0447 Flat Flexible Cable is the electrical conduction that occurs between the conductor wires, and the electrical communication between the conductors and the surrounding environment. In terms of conduction, the 21039-0447 Flat Flexible Cable consists of an inner conductor layer and an outer insulation layer. The inner conductor layer is made up of a series of thin copper conductors that are placed on top of each other, separated by a thin dielectric layer. The copper conductors are connected together with small copper rivets, and the rivets are soldered onto the conductor layer. The outer insulation layer is made up of an air-gap dielectric layer, which provides electrical insulation between the inner conductor layer and the surrounding environment.

As for the communication between the conductors and the surrounding environment, the 21039-0447 Flat Flexible Cable is designed with a unique magnetic layer at the bottom of its insulation layer, and this magnetic layer is connected to the copper conductors using small gold plating. This magnetic layer is designed to interact with the charged particles present in the medium, and this helps to improve the signal transmission performance.

The 21039-0447 Flat Flexible Cable can be used for various kinds of communication and data transmission applications, such as in mobile phones, automotive and telecommunications systems. It can also be used for high speed data transmission, such as in Ethernet, Bluetooth and Wi-Fi systems, and can be used in a wide range of industrial applications, such as in the medical industry, aviation industry and robotics.

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