Hot-swappable SMC connectors reliably protect electronics

4th May 2017

Alice Matthews

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With the addition of a 1.27mm pitch with hot-swappable variants, ERNI Electronics has extended its comprehensive SMC connector family. These connector versions feature late mate contacts to permit reliable system swapping during operation and/or with applied electric voltage in industrial applications or in cars. With 'hot swapping/hot plugging', the electronics are reliably protected by following a defined sequence of signal, ground, or power contacts when mating and unmating of the connector.

Thus, when mating for example, it is ensured that a reliable ground connection is established first, before connecting the data lines (first mate - last break).

The SMC connector family now satisfies the hot-swap mating requirements with the addition of late mate contacts. Angled male connectors of the two-row connector can be mounted at any position with late mate contacts. This means that developers can enjoy maximum flexibility for individual contact layouts based on the first mate/last break principle.

In addition to the hot-swap capability, the SMC connectors offer the familiar advantages such as the proven dual-beam female contact system for reliable and secure connection, even under difficult industrial conditions. The SMC connectors permit efficient and compact board-to-board and wire-to-board connections and are available as versions with 12-80 pins. Besides the angled SMT male connectors with late mate contacts, individual contact loading (full or partial) is also possible.