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Ultra Hard Metric (UHM) Backplane Socket Connector

September, 2009 - The 3M™ Ultra Hard Metric (UHM) Socket Connector is the industry’s first fully-shielded 2 mm hard metric (HM) connector designed for more than 7 Gbps backplane performance with a high signal density when used with unshielded industry standard 2 mm HM backplane headers. The UHM socket is designed to be intermateable to 2 mm HM IEC 61076-4-101 headers and is fully compatible with 2 mm HM PCB footprints. The Ultra Hard Metric (UHM) connector from 3M offers a direct way to improve the performance of legacy and new systems built in accordance with PICMG CompactPCI® standards. Its full shielding provides the lowest crosstalk, high signal density of any 2 mm Hard Metric connector on the market today, while its controlled impedance characteristics offers performance in excess of 7 Gbps. UHM connectors are intermateable with both legacy and new equipment built with connectors meeting IEC 61076-4-101. Being footprint compatible with existing PCB layouts, UHM connectors are drop-in replacements for standard 2 mm HM sockets. For these reasons, UHM socket from 3M is defined in draft PICMG CompactPCI® standard 2.30 for the J2 connector.

UHM Backplane Socket Connector      

Features and Benefits:

  • High-speed socket connector - more than 7 Gbps even when used with standard unshielded HM headers
  • Full shielding of signals or signal pairs minimizes crosstalk and insertion loss
  • 2 mm pitch offers intermateability and PCB footprint compatibility with standard HM designs
  • High signal density - 101 signals per linear inch for the 8-row and 63 signals per linear inch for the 5-row – optimizes PCB space
  • Unique dual beam contact design for high reliability

Target Markets & Applications:

  • Embedded Systems: Compact PCI 3U and 6U Computing Systems, VME Systems
  • Communications: Access equipment, e.g., ChannelBanks, Wireless
  • Industrial and Factory Automation: Process Control, Transportation Systems
  • Medical: Test & Measurement – e.g., PXI systems
  • Military: Embedded computing platform

See also:
3M UHM Connector Product Bulletin (.pdf) for more product information, specifications, applications and ordering information.

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