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Backplane Connectors - DIN 41612

A backplane is an essential component in computer systems, providing an interconnect between multiple boards and devices. DIN 41612 is a standard for the layout of a backplane system connector. This type of connector is used in industrial systems and its main purpose is to provide power and communication between the boards. The standard defines the number and types of connectors used in a backplane, the type of connection, pinouts, and power and signal wiring. The DIN 41612 backplane connector family includes single-row, dual-row, and multiple-row versions.

650908-5 Application Field and Working Principle

The 650908-5 DIN 41612 backplane connector is a medium-density connector with 34 contacts. It is used in industrial applications such as computers, automation equipment, and communications equipment. The connector consists of three rows of 18, 16, and 6 positions and is mounted on a backplane or printed circuit board.

The area of backplane connectors from DIN 41612 is divided into several parts, such as left corner module, middle module and right corner module. The 650908-5, being the medium-density family, consists of a left corner module, which is 18 positions, a middle module with 16 positions, and a right corner module with 6 positions. With its 34 positions, it is suitable for connectoring medium-sized systems in terms of power and communication signals.

Each one of these modules of the 650908-5 features an integral rear-release latch for reliable mounting. The 34 contacts provide power and signal transmission via multiple possibilities: crimp, PC tail and press-fit solutions. The contacts are formed from tin-plated brass and have a current-carrying capacity of 3A. The contact mating area is made of gold-plated phosphor bronze and has an insulation resistance of 10M Ω and a contact resistance of 25m Ω.

The working principle of the 650908-5 is quite simple to understand and consists of two main parts: mating and unmating. The first part is the mating, which is the process where the module and the backplane connect each other in order to permit the connection of power, communications and control signals between two circuit boards. This connection is done by aligning the connector and pressing it into place. The rear-release secure mounting latch ensures a reliable mount and the gold to gold contact guarantees a low- resistance connection. The second part is the unmating process. In order to disconnect the module from the backplane, it unclips from the backplane.

The 650908-5 DIN 41612 connector is widely used in industrial controls, communications systems, and other electronic systems due to its reliable connections and its compatibility with many types of contact technology. It provides a medium-density connector with 34 contacts in three rows, 18, 16 and 6 positions and features an integral rear-release latch for easy and secure mounting. It also offers a variety of contact technology such as crimp, PC tail and press-fit solutions.

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