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The miniaturised 1.27mm-pitch SMT connectors will typically be used to provide an electrical connection between the main module board and smaller boards. Devices can be damaged when boards are plugged in under load.

One way to avoid this is to use connector types with pre-leading contacts. These contacts are 0.3 mm longer in the mating face and ensure that grounding contacts are the first to make contact during insertion and the last to disconnect during unplugging.

The angled male connectors can also be configured as variants with lagging contacts. During unplugging, these lose electrical contact before the other contacts, so that a system with the appropriate logic can detect imminent contact disconnection and execute certain functions such as data backup.

The angled male connectors are available with pin counts of 6-100 on request, in custom contact configurations.