Miniature Connector Trends

As the size of smart phones and other consumer devices continues to shrink, design engineers are under increasing pressure to maximize PCB space and power efficiency. The new features of these devices increase the number of signals required and improve the quality of signal performance. Leading connector manufacturers must be creative and deliver innovative technologies and products to enhance electrical and mechanical performance over a smaller PC daily footprint.

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Today, 3G/4G smartphones in the OEM market require smaller connectors than before, and this trend is here to stay. Design engineers now have connectors available that not only have a very low side height ((H = 0.70 mm), a very shallow depth (W = 2.60 mm) and a very fine 0.40 mm pitch; But also with uniquely designed mounting pegs under plastic seats to minimize package area and maximize design flexibility. For example, a 40-way ultra-low side height (H = 0.70 mm) micro board-to-board connector only takes up less than 28 mm of PCB area. To address other signal integrity issues or interference associated with PCB components being too "noisy" and causing, some microboard-to-board connectors provide external metal shielding to improve performance. Considering that electronic devices work in high vibration applications, design engineers can utilize micro-board-to-board connectors with fine pitch to achieve very high retention or provide permanent plug-in solutions that can pass drop tests. PC daily boards cost approximately 0.015 cents per millimeter, and these miniature connectors provide strong support for designers in a variety of connections, including connecting LCD displays, keyboards, membrane switches, A/V or RF boards, modems, or GPS cards to the main PCB. And, as the market continues to grow, the world's leading connector suppliers are bound to continue to push the technical limits and provide the best solutions at competitive prices.

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