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Backplane Connectors - DIN 41612

02211602101 Application Field and Working Principle

DIN 41612 backplane connectors are widely used in a variety of applications. Generally speaking, they have the same working principle as a card edge connector. The board-to-board connection is achieved by the insertion of single-row or double-row contacts on the printed circuit board (PCB). The connector’s housing is normally made of insulating materials, such as nylon, and is designed to match the precise geometry of the mating board-to-board interface.

Application Field

DIN 41612 connectors are used in many critical applications such as communications systems, computer systems, test and measurement equipment, printers, and medical systems. They are typically found in high-speed data communications systems such as fiber optic networks, cellular networks, and industrial control systems. In all of these applications, the need for reliable and robust board-to-board connection is essential. Because of their low cost, high performance, and ease of design, DIN 41612 connectors are the preferred choice of many designers.

Working Principle

The working principle of a DIN 41612 backplane connector is based on a card edge contact system. A card edge contact consists of an array of electrical contacts that are stamped onto a sheet of metal and embedded in a plastic substrate. The contacts may be in single-row or double-row configurations, depending upon the needs of the application. When the connector is inserted into the mating board, the contacts are first soldered to the conductive traces on the board. After soldering, the contact slides into place and makes contact with the mating contacts on the board.

The mating surfaces of the contact holes are typically machined or diamond-lapped to ensure a low contact resistance between the mating surfaces. The contact mating surface may also be plated for resistance to oxidation or corrosion. Additionally, contact springs may be used for added stability.

DIN 41612 connectors are capable of carrying high frequencies, making them an ideal choice for high-speed applications. The contacts are often made of low-resistance materials like copper-beryllium or gold-plated materials. They may also feature ESD protection, insulation, or shielding for extra protection.

Conclusion

DIN 41612 backplane connectors are a reliable and cost effective solution for board-to-board connections. The ease of design combined with its reliable contact system makes it a popular choice for many designers. Additionally, its high frequency capability and ESD protection makes it suitable for a variety of applications.

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