A feedthrough of a medical electronic device, in particular an implantable medical electronic device, comprising a housing and at least one electric or electronic component received in the housing, wherein the feedthrough has a feedthrough flange for closing an opening of the housing and for supporting at least one connection element, which serves for the connection of the or at least one component externally of the housing, in an insulating element surrounding the connection element, and a grounding pin in mechanical and electrical contact with the feedthrough flange is provided in order to realize a ground connection of the device, wherein the grounding pin is fixed exclusively by form fit and force fit in the feedthrough flange or the insulating element, whilst contacting the feedthrough flange.
