17021502201

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Hard Metric Connectors for Backplane applications are widely used in high density applications. The standard for the installation of these connectors is 17021502201. This standard, which was developed and ratified by the European Committee for Standardization (CEN), sets out the minimum requirements for the maximum number of contacts, the type of contact material, the design of the contact body, the texture of the contact material, and the mechanical properties.

The connector used must meet certain requirements to be classified as a Hard Metric Backplane Connector under the 17021502201 standard. The contact attachment and the contact material must be able to handle a large number of signal transmission cycles during its operational life. The contact material must also offer a high degree of corrosion resistance, as well as providing a reliable contact bond and electrical connection. The connector must also have a smooth interior wall surface with a consistent finish in order to ensure a low contact resistance.

The working principle behind Hard Metric Backplane Connectors lies in their design and construction. A Hard Metric Connector typically consists of two parts—the contact arrangement and the shielding housing. The contact arrangement consists of multiple rows of contacts that are typically arranged in a straight line along the length of the connector. The contacts are generally made of a gold-plated brass, and can provide different levels of signal transmission, depending on the type of contact material used. The shielding housing provides protection from electromagnetic interference (EMI) and provides additional protection against dust or other foreign objects entering the connector.

The most common type of Hard Metric Backplane Connector uses a right angle polarization contact arrangement, in which the contacts are arranged in a parallel pattern along the length of the connector. This arrangement eliminates the need for additional tools and allows for easier insertion and removal of contacts. The contacts are also designed to make contact simultaneously, providing for faster connection speeds and less wear on the contacts. The contact points are also designed to reduce contact resistance and improve signal integrity.

The shielding housing for Hard Metric Backplane Connectors provides protection from electromagnetic interference (EMI) and provides additional protection against dust or other foreign objects entering the connector. The shielding housing also helps to reduce heat transfer from the contacts to the circuit board. This is important in applications where high temperatures are present, as hot spots on the board can cause electrical problems.

Another key component of the Hard Metric Backplane Connector is the mating face, which connects the contacts to the circuit board. The mating face is typically made of metal or plastic and is designed to align the contacts with the printed circuit board connection holes. The alignment allows for quick connections and the presence of a firm seal that ensures that the contacts are properly connected. The mating face also helps reduce contact resistance and maintain signal integrity.

In conclusion, Hard Metric Backplane Connectors are a popular choice for high density applications, as they offer reliable connections, resistance to EMI, and ability to handle a significant number of connection cycles. The installation of these connectors must meet the requirements set out in the 17021502201 standard, and the overall design and construction of the connector ensures reliable connections and improved signal integrity.

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