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Backplane Connectors – DIN 41612 are an important type of electric connectors commonly used in computers and electronic assemblies. They provide critical wiring functions in systems with multiple device nodes. In order to provide reliable interconnection between device nodes, these type of connectors have very specific requirements concerning the connector’s wiring capability, power contact density, and contact pattern.

Specifically, DIN 41612 is a German industrial Standard worldwide for multi-pole backplane connectors, which are used for backplanes. They are designed to be hot pluggable and provide high current capacity and stability between each device node. DIN 41612 connectors feature regularly spaced open ended contacts with positive contact retention and polarization features to ensure proper connection.

The key elements to consider in making an application of DIN 41612 backplane connectors include the following: contact patterns, pin/socket configuration, pin/socket materials, and contact insertion force. The contact patterns of DIN 41612 backplane connectors come in 3, 5, and 7-ring configurations. This configuration ensures that the contacts of each device node interconnect in a consistent fashion by using ring formations along both sides of the connector. The pin/socket configurations can be unique depending on what type of interface is used. Some common pin/socket configurations are single row, dual row, and ribbon configurations. Additionally, pins and sockets can be constructed out of additional materials such as brass, tin, and gold.

The contact insertion force is also important to consider when connecting multiple devices in a system. The force helps to maintain the required connection integrity between device nodes. If the contact force is too low, the connection may become loose, while a too high insertion force may damage the contacts. Additionally, the contacts should have a minimum of 0.5 mm contact height to ensure reliable connections.

The working principle of DIN 41612 backplane connectors is simple. The contacts on the connector are placed in an ordered arrangement, with the pins inserted into the sockets. As pressure is applied, the pins are inserted into the sockets and the sliding motion helps to create a solid electrical connection between the device nodes. The contacts also feature various retention features such as ribbing or ridges, which provide another layer of connection security.

Given their reliable interconnection capabilities and secure locking features, DIN 41612 backplane connectors are commonly used in a variety of applications. These connectors are ideal for networking applications, providing high current capacity and a consistent wiring scheme. They are commonly used in data centers, telecommunications, medical and defense applications, and many other applications where a reliable connection is required. Overall, DIN 41612 backplane connectors are a reliable means to interconnect device nodes in a system.