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Backplane Connectors - DIN 41612

The DIN 41612 connectors are a family of backplane connectors, as defined by the German Industrial Norm (DIN). They are an established type of backplane connector frequently used in the computer data processing and communications industries.

DIN 41612 connectors provide multiple-pin (multi-row) vertical connections between fron- and backplanes, such as those found in mainframe systems and industrial controllers. They are also frequently used on expansion slots, such as computer motherboards and peripherals.

The most common family of DIN 41612 connectors is the CB (circular backplane) range. They are available in both polarised and non-polarised versions, in various sizes and numbering configurations for specific applications. The CB range typically uses up to 32 low profile dual contacts, located at right angles, with positive or negative slots for cabling and external polarisation.

The DIN 41612 machine-tool range has larger connectors with double pin configurations. These connectors are available in 1.27 mm pitch sizes, with terminal sizes of 2.8 and 5.0 mm. Unlike the CB range, these connectors use a standardised keyway for correct mating, allowing for quick and easy installation in an array of applications.

The sections of DIN 41612 connectors have been designed with specific applications in mind. Mating and un-mating of connectors is achieved by using specialised tools such as screwdrivers and pliers. Specific tools are required for different pin configurations and different size connectors.

The DIN 41612 system provides reliable mechanical performance and electrical contact. Applications requiring ventilation should take into account the fact that the connectors are not hermetically sealed. It is recommended to use anti-corrosive coatings or protective mechanisms, such as well-sealed hood.

The working principle of the DIN 41612 connectors is simple and efficient. The contact pins are inserted in the connector’s receptacle, offering a reliable and secure connection. The contact pins are connected to the mainframe contacts with flexible cables or ribbons. The connectors are also designed to facilitate easy maintenance and replacement when required.

In conclusion, DIN 41612 connectors provide an effective method of linking a mainframe or controller with other components in a wide variety of applications. Their design and features allows for secure and reliable connections to be made quickly and easily, while their flexible design ensures that they can be used in a range of applications.

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