PCB board-to-board connector flexibility

As automation and the Internet of Things transform industrial environments, demand for PCB board-to-board connector products with features for signal, data and power transmission and shielding from harsh environmental conditions is growing, as they are key to developing further miniaturization potential and making industrial equipment more reliable and flexible. While dust, vibration, high temperatures and electromagnetic radiation place high demands on electronic components, the flexibility of board-to-board connectors can meet these demanding requirements. Many new board-to-board connectors can meet these demanding requirements. For example, the pitch of 0.8mm and 1.27mm version is usually very suitable for equipment and several printed circuit boards (PCB) internal connection, while the vertical version allows equipment manufacturers to realize the mezzanine, orthogonal or coplanar PCB arrangement, which supports a more flexible electronic layout, and thus has a wider range of applications adaptability. Some of the newer board-to-board connectors can handle currents up to 1.4A and voltages up to 500VAC, and are suitable for applications with 12 to 80 connections. Reverse polarity protection is especially important in board-to-board connectors with compact centerlines, as it prevents damage to the contact interface during mating and helps ensure a stable connection within the device over time. In this way, many board-to-board connectors have insulating housings with special geometries that prevent mismating of male and female connectors. Depending on the application and the level of protection required, unshielded versions and versions with lateral shielding mechanisms are available for greater data integrity. Some of the more compact board-to-board connector offerings include contacts with a hermaphroditic design that allows stacking heights from 6 mm to 12 mm. another newly developed contact system not only guarantees a particularly high level of mechanical stability, but also allows for different positioning of male and female connectors with high tolerances for production or assembly reasons. These 0.8 mm pitch connectors have a catch range of ± 0.7 mm per axis and mating angle tolerances of ± 4° in the longitudinal direction and ± 2° in the transverse direction. These high tolerances compensate for mechanical offset between PCB board-to-board connectors.

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