09021642922 Connectors, Interconnects

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DIN 41612 Connectors for Backplanes

The DIN 41612 connector is an interface connection system which is used for backplanes in electronic equipment. This type of connector is also referred to as a Coded Connector, and is often used in applications which require a high degree of reliability, such as for military or aerospace purposes. The connector system was developed and specified by the German standards body, Deutsches Institute für Normalizierung (DIN), back in 1984.

Overview of DIN 41612 Connectors for Backplanes

In a typical backplane system, the DIN 41612 connectors provide an electrical interface between two printed circuit boards. The connectors come in both male and female versions, with the male plugs being inserted into the female socket receptacles. The connectors are mounted in a vertical arrangement, with a live edge of contacts in the backplane system, and a ground plane at the bottom. The DIN 41612 connector features a double row of contacts which are arranged in a 9-column pattern. The contacts can be either male or female type, and are either screw or solder-terminated. The contact spacing can vary, for example, 0.6, 0.8 and 1.1mm pitch are available.

Working Principle of DIN 41612 Connectors

The working principle of a DIN 41612 connector is based on its ability to make electrical contact between two printed circuit boards. This is achieved through the use of a double row of contacts which are arranged in a 9-column pattern. The contacts are insulated from each other by a plastic insulation material, known as an insulator. The contact pins are then arranged in a vertical arrangement, with the live edge of contacts on the inner row, and the ground plane on the bottom. When the connector is inserted into a mating receptacle, the corresponding pins are made to contact the printed circuit boards. As the connector is inserted further, the contact pins are pressed into the plated through holes (PTH) of the printed circuit boards. This provides a reliable electrical connection between the two boards.

Uses and Applications of DIN 41612 Connectors

The DIN 41612 connector is used in a wide range of applications, such as for aircraft, military and aerospace, computer systems, telecommunications equipment, industrial control systems and instrumentation. It is also used for many other applications which require high levels of reliability. The connector system is especially suited for connecting backplanes in high performance, high reliability systems, such as for multi-processor systems and fiber optic systems. Additionally, the double row of contacts and the 9-column pattern enable high densities of connections to be achieved in a compact form factor.

Advantages and Disadvantages of DIN 41612 Connectors

The main advantages of DIN 41612 connectors are their high reliability and densities of connections. Furthermore, the connectors are available in a variety of sizes, from the standard sizes (2, 3, and 4) up to the larger sizes (7, 8, 9, and 10). Additionally, the contacts can be configured in a variety of arrangements to provide the required electrical connections. On the downside, the connectors are relatively expensive and not as versatile or widely available as many other types of connectors.

Conclusion

DIN 41612 connectors provide a reliable and efficient interface between two printed circuit boards in a number of applications. The connectors feature a double row of contacts arranged in a 9-column pattern, which enables high densities of connections to be achieved in a compact form factor. The connectors are widely used in the military, aerospace, computer systems, telecommunications equipment, industrial control systems and instrumentation sectors, as well as a variety of other applications in which high levels of reliability are required. Despite their advantages, however, they are relatively expensive and not as widely available as many other types of connectors.

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