Kontaktenhed og fremgangsmåde til fremstilling af en kontaktenhed

摘要

The invention relates to a contact unit and particularly a solder pin, and a method for producing a contact unit, comprising a body having a metal core and a tin layer surrounding the metal core. The tin layer is thereby designed as a duplex layer, and comprises a radially inner layer overlay of matte tin and a radially outer layer overlay of glossy tin.