A feedthrough of an implantable medical electronic device, including an insulating body, a feedthrough flange surrounding the insulating body, and at least one connection element penetrating through the insulating body for the external connection of an electric or electronic component of the device, wherein the feedthrough flange has at least one pre-stamped and bent and/or folded and/or deep-drawn sheet metal part, in particular, formed of a titanium sheet or titanium alloy sheet, and the sheet metal part has an extension that is integrally formed in one piece and is angled relative to the plane of extension of the feedthrough and is formed as a ground connection surface.
