Erni is continuing to design and improve its popular 1,27 mm pitch surface mount connector (SMC) family. With a corresponding design layout, the high-density SMC connectors are designed to reliably transmit differential signals at data rates of up to 2,5 Gbps. The SMC model range is ideally suited for diverse mezzanine, board-to-board, and board-to-cable applications in industrial automation, telecom, and datacom applications. For example, these SMC connectors have been certified for the new Airbus 380.
Besides the SMT versions, the SMC connectors are also available in press-fit versions for certain applications (such as rear I/O connections on the rear side of backplanes), and in IDC versions for easy connection of flat ribbon cables with a pitch of 0,635 mm. Consequently, they lend themselves to hybrid processing techniques.
The SMC series has a double-sided design of the female contact for good RF characteristics, heat-resistant insulation bodies (with polarisation, pre-centring and optional coding), and superior mating reliability due to long wipe lengths, and two solid-metal SMT mounting brackets.
For variable module design, one often needs to vary the board-to-board stacking heights. Thus, besides the standard versions (8,2 and 9,0 mm), low-profile versions (6,2 and 6,7 mm) are also available. By combining male and female connectors with different assembly heights, any PCB stacking height between 8,0 and 14,0 mm is possible.
PCBs can be connected together using the straight male and female SMC connectors with 12, 26, 50, 68 and 80 pins, while PCBs can be connected to the backplane using a right-angle version. And, since all versions are available in inverted versions, any conceivable board-to-board configuration is possible.
These connectors are also designed with automatic production in mind.
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