COPPER STRIP FOR PRODUCING ELECTRICAL CONTACTS AND METHOD FOR PRODUCING A COPPER STRIP AND PLUG-IN CONNECTOR

摘要

The present invention relates to a copper strip (1) for producing electrical contacts, comprising a base material (2) of copper or a copper alloy, and a coating (3, 4) of tin, wherein the coating (3, 4) of tin has a proportion of insoluble, precipitate-forming elements of 0.003 to 1.0, preferably to 0.5, preferably to 0.05, particularly preferably to 0.01 percent by weight.The invention also relates to a method for producing a copper strip (1) for producing electrical contacts and also to a plug-in connector.