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Backplane Connectors – DIN 41612 are a group of electrical connectors used for backplane applications, which are used in conjunction with printed circuit boards (PCBs) and backplanes to interconnect electrical systems. The DIN 41612 connector series has been developed to meet the needs of the rapidly-growing telecommunications industry and is extensively used in a variety of applications ranging from rack mountable electronics to high-speed data systems.

The primary advantage of using DIN 41612 connectors is their highly efficient electrical connection. Most of the connectors in the DIN 41612 family feature two rows of high-contact density, providing a maximum of 50 contacts per connector even in a 1U form-factor. This ensures reliable and robust electrical connections, even when the application environment is highly complex. In addition to the advantages of a high contact density, the connector also has a robust contact retention force which ensures the contact is maintained even when subjected to vibration and shocks.

The main application areas for the DIN 41612 connector series include telecom, server, industrial, medical, instrumentation, switches, and backplane systems. Although typically designed for signal transmission applications, they can also be used for power applications, thanks to the wide range of current ratings provided.

DIN 41612 connectors are designed to operate from -55°C to +85°C and offer a current rating of 8.5A compared to the other family members, which is suitable for most industrial applications. The contact arrangement is usually slightly varied depending on the application, but typically consists of two rows with 28 or 34 contacts. Although the contact arrangement may slightly vary, the overall design and footprint in most applications remain the same.

Most connectors in the DIN 41612 family feature gold-plated contacts which provide robust electrical connections and also reduce contact resistance. The contact materials also meet UL94V-0 fire-resistant standards and feature a mated pair differential impedance of 110-ohm. The contacts in the connector are held securely in place with contact retention force and are suitable for 1.2mm board-to-board mating with a height of between 6 - 8mm.

Apart from having a robust electrical connection, the DIN 41612 connector also features good shielding which is essential for signal integrity. The front and back of the connector feature black coating for an optimized EMI performance. The connector is also rated for a minimum locking force, ensuring the contacts are robustly mated even when subjected to vibration and impacts. This helps maintain the good electrical connection and increase the overall life of the connector.

In conclusion, the DIN 41612 family of backplane connectors is an excellent choice for highly complex applications requiring reliable and robust electrical connections. The wide range of contact arrangements and the robust design make them suitable for a variety of applications, ranging from telecom to industrial and medical applications. The connectors also feature good EMI shielding and a robust contact retention force, ensuring the reliable transmission of data in the most complex application environments.

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