51940-217LF

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Backplane connectors are specialized electrical connectors designed to connect different types of circuits frequenty, mostly in the form of a backplane. The 51940-217LF is one of the models in this category.

The 51940-217LF recessive jack is a general-purpose connector designed for backplane applications that require a low-profile option. It is a surface mounted backplane connector with dual wipe contact technology and design. It is a bottom-entry receptacle without a cage assembly, and uses a four-finger beryllium copper contact system. This connector has two rows of contact terminations that are rated to 0.2A current rating. The contact forces of each termination are 0.2N and 0.8N, and the operating temperature range is from -40℃ to +85℃. It also has a 2.54 mm centerline to centerline spacing and a minimum PCB component height of 4.1mm.

The 51940-217LF is designed to be used in a wide range of applications, such as industrial control, terminal and communication equipment, information processing and instrumentation, plus automotive and mil-spec systems. This connector\'s unique design enables it to be used in a number of sensitive data transmission applications such as the rapid transfer of data signals between boards of a computer or other system. It also meets the ANSI/VITA46 Standard for VPX connectors, further increasing its versatility.

The 51940-217LF connector is designed with a working principle focused on plugging and unplugging of the connector with minimal or no damage. It has a four-finger beryllium copper contact system that allows for a repeatable and secure connection. It also has a dual wipe contact technology that provides contact tracing to ensure reliable contact by forming audible clicking when mating 20 times or mated in agreement between the two contact points. The total process of mating and de-mating requires only minimal force.

This 51940-217LF backplane connector is constructed out of durable high-grade materials, making it able to withstand extreme environmental conditions. It has a UL94-V0 compliance rating which ensures the highest level of insulation and increased safety guidelines for the components. The typical contact material is made of phosphor bronze that is gold plated, providing excellent electrical and mechanical performance. Additionally, the HR connectors are finished with high-quality nickel plating providing good corrosion resistance and aesthetic appearance. The insulator material is a high temperature resistant thermoplastic, ensuring the connector can be used in temperatures up to 105℃.

The 51940-217LF is a reliable and robust electrical connector that provides a cost-effective and easier solution for securing connections between multiple boards. This connector is designed to ensure reliable performance even in the harshest working environments. With its dual wipe contact technology and four-finger beryllium copper system, the 51940-217LF is suitable for a variety of backplane applications.

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