51940-181LF

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Backplane connectors have become increasingly popular within various industries due to their cost-effectiveness and versatility. One example is the 51940-181LF, a specialized backplane connector designed to reduce noise and improve signal integrity. Its wide application range and efficient working principle make it a popular choice among many engineers.

In terms of its application field, the 51940-181LF is most commonly used in data/telecommunication, military, and medical equipment. It is designed to provide a low-noise, high-speed, and low-cost interconnection solution for a wide variety of electrical assemblies. The connector has also been used in aerospace and test equipment markets for its high vibration tolerance and exceptional temperature ratings.

The device is a compact design with low-profile and board stacking capabilities. Its optimized shape and design aid in dissipating heat from the self-aligning polymer-to-metal contacts, improving signal integrity and reliability. The device also incorporates a mechanical shield that reduces EMI radiation or captures potential sources of interference present in the environment. The combination of the device\'s design aspects make it suitable for use in military and medical equipment, where vibration and/or EMI needs to be minimized to avoid errors or malfunctions.

In terms of its working principle, the connector is designed as an interconnect system consisting of a receptacle and multiple plug connectors. The device is typically designed with a 2.7V to 5V input range, making it suitable for use in applications with low-voltage requirements.

The component pin assignment process uses either the Teradyne high-speed micro-append operation or the conventional micro-insert operation. The latter involves inserting the contacts into the connector body with the help of an array of springs. The springs ensure a constant force over an entire connector housing for a reliable connection.

For the devices\' contact plating arrangement, the contact pin is divided into a vertical contact section and a longer horizontal contact section. The vertical section has a shorter tip with three plating layers. The longer, horizontal section has four gold-plated layers for enhanced corrosion protection. This arrangement helps reduce tangling and contact wear.

For enhanced usability, the 51940-181LF includes slots designed to mate with compatible products. The swage-lock feature also aids in assuring a secure, reliable connection of he connector with the board. The device also supports color coded key configurations for added convenience. In terms of electrical performance, the connector has an impressive data transfer rate of up to 6.5 Gbps.

In summary, the 51940-181LF is a specialized backplane connector that is widely used in the data/telecommunication, military, and medical equipment fields. Its working principle and design characteristics make it suitable for applications where high-speed data transfer and electromagnetic interference reduction are essential. The device is also cost-effective and offers enhanced usability with its swage-lock feature and color coded key configurations.

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