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Backplane connectors are used to connect a number of electrical circuits to each other. Among other applications, they are used to interconnect boards in a computer system, or to provide a connection between the main system board and the peripherals. One form of these connectors is the DIN 41612 type, and its use in today’s electronics and systems is detailed below.

Application Field
The DIN 41612 form of the backplane connector finds an application in a broad range of uses including industrial control, communications, computers, test equipment, instrumentation, medical, art, automotive, and military applications. It is particularly well-suited for applications requiring a high density of connections, such as in high-performance computer systems. It is also favored for its use in Enhanced Small Outline Dual In-Line Memory Modules.

The standard DIN 41612 connectors offer data transfer rates of 125 MBps on up to three levels of bus interconnection. They are capable of processing up to 124 signal pairs, and are suitable for backplane applications up to 600V. These connectors are tested to 30,000 mating cycles, with an expected life of 10 million mating cycles. They support up to nine shroud types and mating pins from 3 to 240 positions. Their frequency-dependent impedance is between 50 and 100 ohms, making them compatible with today’s most advanced systems, with low-end to high-end data rates up to 4 GBps.

Working Principle

The basic concept behind the DIN 41612 type of backplane connector is that it is designed to provide an electrical connection between printed circuit boards (PCBs). This is done by using highly reliable and copper-nickel alloy plated press-fits, which are used to allow each pin to fit snugly between the PCBs and provide an electrical connection. This connection is kept secure, even in harsh environments, because of the metal shielding of the connector.

The contacts on the DIN 41612 connectors are made from reliable, copper-nickel-alloy-plated press-fit pins. The boards are interfaced in an array of rows and columns and the pins are held in place by crimping. The copper nickel alloy plating provides good electrical contact even in harsh operating environments. The connector also offers a low-profile solution, ensuring optimal use of the circuit board\'s space.

The DIN 41612 connector also provides a reliable connection even in cases of high vibration. The ten-pin press fit allows the pin to remain in contact with the PCB even under harsh conditions such as vibration, shock, and extreme temperatures. It also ensures that the connection is secured, providing a reliable path for the electrical signal.

The DIN 41612 connectors also provide high mechanical strength. The connectors are rated up to 10,000 mating cycles, meaning that the connection between the pins and the boards is secure and durable. Additionally, the metal shielding of the connector, as well as the pin contact construction, provide resistance against dust, water, and vibration.

The overall design of the DIN 41612 connector allows for easy signoff and installation. The contacts are designed to be terminated in a single cable; this allows for easy routing. Additionally, the contact locating pins on the backside of the connectors make for easy and secure installation.

In summary, the DIN 41612 connector provides a reliable and durable connection between boards and peripherals. It features a reliable contact construction, using copper-nickel-alloy-plated press-fits, and is capable of processing up to 124 signal pairs, making it suitable for applications requiring a high density of connections. It has good durability and is rated up to 10,000 mating cycles, and the overall design allows for easy installation and signoff.

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