A semiconductor die and an electrically conductive ribbon are arranged on a substrate. The electrically conductive ribbon includes a roughened surface. An insulating encapsulation is molded onto the semiconductor die and the electrically conductive ribbon. The roughened surface of the electrically conductive ribbon provides a roughened coupling interface to the insulating encapsulation.

A transistor package includes a transistor chip having opposing first and second main sides, and a first load electrode and a second load electrode on the first main side, with a carrier facing the second main side. A first terminal post is arranged laterally beside the transistor chip. A second terminal post is arranged laterally beside the transistor chip on an opposite side. A first clip connects the first load electrode to the first terminal post. A second clip connects the second load electrode to the second terminal post. At least one of the clips includes a first contact element which projects from a first side wall of the clip and is bent downwards in a direction towards the transistor chip to electrically contact the first or second load electrode of the chip, a bending axis being in a longitudinal direction of the clip.