51940-174LF

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51940-174LF has become an increasingly popular choice for backplane connectors in specialized applications because of its high reliability and cost-effective performance. With the ability to provide up to 24 channels in a single array, these connectors provide users with options to meet their specific signal and power requirements.

Below we provide an overview of 51940-174LF backplane connectors, and their applications and working principle.

Applications

The 51940-174LF connector series is well suited for a variety of high-speed backplane applications, including: memory, data, multi-processor, high-speed Ethernet, Fibre Channel, InfiniBand and Serial ATA. This connector can also be used to provide power connections for backplane applications.

These connectors are typically used in applications that require high-reliability connections with low power dissipation and signal loss. They are also widely used in applications that require minimum signal integrity degradation, such as telecommunications systems, medical equipment, and instrumentation.

Working Principle

The 51940-174LF connector series utilizes a wafer-manufactured contact system which is designed to reduce signal loss and power dissipation. The contacts are configured in a deep-ribbed skirt pocket which provides added retention, minimal insertion and extract forces, and optimized contact-to-contact spacing for optimal signal reliability.

These connectors are equipped with a precision-aligned signal contact array with 12 signal contacts per connector side. The signal leads are clearly laid out and feature self-aligning plunger-style contacts that enable simultaneous snap-in insertion. The signal contacts are also gold-plated for enhanced corrosion resistance and excellent signal transmission.

The 51940-174LF connector series also utilizes a two-piece latching system, which is designed to provide positive latching and robust operation. The latching system provides audible and tactile feedback when the connectors are engaged, which allows for quick and easy connection of PCBs.

The series also features an integrated power contact array which is designed to provide maximum flexibility and power management capability. The power contacts are available in 11 contact ratings, ranging from 16 to 72 amps. These contacts also feature a unique “S”-shaped grounding contact that helps to ensure reliable power connections.

Conclusion

The 51940-174LF connector series is an ideal solution for a variety of high-speed backplane applications. This series provides users with the flexibility to meet their specific signal and power requirements while providing reliable connections and reducing signal loss. With its integrated latching and power contact systems, this connector series is perfect for applications that require high-reliability connections with minimal signal integrity degradation.

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