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Needle connector
Needle connector 20pin
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Pin header connectors are core interface components for signal and power transmission inside electronic devices and between devices, achieving efficient and stable circuit connections through precision structural design. Their main body consists of a high-strength insulating base and highly conductive metal pins, often brass or phosphor bronze with excellent ductility. The base is mostly made of high-temperature resistant nylon or PBT materials, ensuring no deformation during welding and long-term use; the pins undergo surface treatments such as tin plating and gold plating, which not only improve conductivity but also enhance corrosion resistance, ensuring long-term stable operation.
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The product specifications are rich and can be flexibly selected according to multiple dimensions: divided into single-row, double-row and multi-row by the number of rows to meet different circuit density requirements; common specifications such as 2.54mm, 2.0mm, 1.27mm by spacing, adapting to precision and conventional circuit designs; the number of pins ranges from 2 to hundreds, covering the connection needs from small modules to complex equipment. The installation methods include through-hole mounting and surface mounting, which are respectively suitable for traditional through-hole processes and modern SMT production lines. The right-angle and vertical direction designs provide more possibilities for circuit board space layout.
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Some high-end models are equipped with a shield structure, which can effectively protect the pins from external damage, and at the same time prevent reverse insertion and wrong insertion, improving the safety of use. From the internal connection of smartphones and laptop computers in the consumer electronics field, to the docking of sensors and PLC modules in industrial control, and then to the precision circuit transmission of medical equipment, pin header connectors, with the characteristics of convenient plugging, reliable contact and strong adaptability, have become indispensable "nerve nodes" in electronic systems, providing a solid guarantee for the efficient operation and flexible upgrading of equipment.