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Backplane Connectors - Contacts

Backplane connectors are used to interconnect printed circuit boards (PCBs) or daughter cards with backplanes. They provide a reliable connection between two electrical components while allowing for them to be easily disconnected when necessary.

The most commonly used type of backplane connector is the 19-pin & 37-pin DIN 41612 connector. This connector has a plastic housing that holds a series of metal contacts. The contacts are arranged in rows of 9-17 pins, with the exact number of pins depending on the specific connector type. The contacts are inserted into their respective slots in the backplane, and the exterior plastic housing is secured to the backplane via a locking mechanism.

The contacts used in a DIN 41612 backplane connector are designed to be single-ported, meaning that each contact has only one connection point. Depending on the application, the contacts may be soldered directly to the backplane, but they can also be plugged in. The choice of soldering or plugging in the contacts depends on whether the backplane needs to be easily repaired or replaced if necessary.

Another type of backplane connector is the N-type connector. This connector is similar to the DIN 41612 in that it has a plastic housing and metal contacts, although the number of contacts may differ. The major difference between the two is that the N-type connector uses a two-port contact — meaning that each contact has two connection points.

Like the DIN 41612 connector, the contacts used in an N-type connector can be soldered or plugged in. This type of connector is suitable for applications where a higher number of pins or higher current handling capacity is required. The N-type connector is also more cost-effective than the DIN 41612, making it a popular choice for high-performance applications.

Lastly, the 8-position modular backplane connector is a popular option for applications that require a smaller number of pins. This connector uses a plastic housing and metal contacts, which can be either soldered or plugged in. The connectors are usually arranged into two rows of four contacts each, and the two rows are separated by an insulation plate.

Backplane connectors play a vital role in connecting two electrical components. Understanding the different types of connectors and how they work together can help ensure that the right connector is chosen for any given application.

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