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Daughtercard Connector Enables Quick System Upgrades to Boost Performance up to 20 Gbps

TE Connectivity announces the release of its Z-PACK HM-Zd Plus daughtercard connector, designed for improved via impedance, lowered crosstalk and increased data rate performances up to 20 Gbps. The product -- an addition to TE's broad portfolio of high-speed backplane connectors -- is fully compatible with previous HM-Zd connectors to allow users to quickly and efficiently upgrade their current system architectures with a higher, faster performance design while maintaining the capability to mate with existing backplane connector offerings.

The Z-PACK HM-Zd Plus daughtercard connector significantly lowers PCB footprint crosstalk, allowing users to run faster data rates. In addition, the product's contacts have been designed with a smaller eye-of-the-needle (0.46mm) for tighter impedance control that provides superior electrical performance. As a result, the connector design helps improve insertion loss characteristics.

The Z-PACK HM-Zd Plus daughtercard connector offers density up to 16 Differential Pairs (DP) per centimeter (40 DP per linear inch) in a 25.4mm slot-pitch. It is available in two, three and four pairs per column -- fitting a 20.32mm slot-pitch for the two- and three-pair versions and a 25.4 mm slot-pitch for the 4-pair version. Integrated pre-alignment features and polarization are built into the product's robust mating interface.

Target applications include telecommunication equipment such as hubs, routers and switches; data networking equipment such as servers and storage devices; test and measurement equipment; and medical diagnostic equipment. The Z-PACK HM-Zd Plus daughtercard connector meets the Advanced Differential Fabric requirements of the PICMG 3.X. Advanced TCA (ATCA) specification, making it well suited for various ATCA next-generation applications.

TE additionally offers ATCA power modules and ATCA guidance hardware.


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TURCK is now offering the option to completely shield M8 picofast ® cordsets by connecting a braided shield directly to the coupling nut. This provides a cost-effective and reliable connection with 100 percent cable and connector shielding, which protects against electromagnetic and radio frequency interference.

The 3 and 4-pin cordsets are available with flexlife ® PVC or PUR jacketed cable. All connectors deliver IEC IP 67 protection.

The M8 picofast line, like most TURCK cordsets, provides male or female, straight and right angle connectors, standard and custom lengths, and pigtails or extensions. Fully encapsulated mating receptacles are also offered, completing the system.