646954-2

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646954-2 backplane connectors are designed to be used in high density applications such as mezzanine card and card cage systems. These connectors are specialised connectors and are used for interconnecting densely populated circuit boards in a variety of mechanical configurations.

These connectors are available in several standard sizes and pin arrangements, including 36, 46, 58 and 100 pin versions. The connectors are designed with modular construction for efficient assembly and easy maintenance. The contacts are pre-loaded in the housing for convenience of assembly. The contacts can also be easily replaced in the event of failure. The connectors use a simple two-position locking system to ensure secure connection and reliable mating.

The 646954-2 connectors provide excellent signal integrity, meeting IEEE specification 802.3. The connectors also provide a high degree of EMI/RFI protection, ensuring reliable communication and minimal interference. The combination of the EMI/RFI protection and signal integrity ensures reliable communications over long distances at high speeds.

The main components of the 646954-2 connectors are the shell, contacts, and a locking nut. The shell consists of two parts that are fastened together to form the housing. The contacts have a 0.6mm pitch and are inserted into pre-drilled holes in the housing and held in place with a retaining clip. The locking nut provides the mechanical connection between the components and is secured using a screw.

To ensure reliable operation, the 646954-2 connectors use a protecting system called a ground plane. This system ensures that no signals travel on the surfaces of the contacts, but instead travel through the media of the ground plane. This ensures consistent and reliable performance over time. The ground plane also maintains uniform electrical characteristics between the contacts.

When installed, the 646954-2 connectors are designed to withstand high shock, vibration, and temperature shifts. This ensures reliable and consistent performance over long periods of time. The connectors are also sealed to ensure protection from dust and other contaminants.

In summary, the 646954-2 backplane connectors are specialised connectors designed to be used in high density applications. These connectors provide excellent signal integrity, EMI/RFI protection, and reliable operation over long distances. The connectors are also designed to withstand high shock, vibration, and temperature shifts. This ensures reliable performance over long periods of time. As such, these connectors are ideal for use in industrial, aerospace, and other harsh environments.

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