The invention relates to a semiconductor device (1). In order to obtain a small and simple semiconductor device with efficient cooling, a first electrically conducting cooling element (2) is in contact with the first electrodes (8) of the semiconductor elements (4) for forwarding a heat load from the semiconductor elements (4) and for electrically connecting the first electrodes (8) of the semiconductor elements to an external apparatus. A second electrically conducting cooling element (3) is in contact with the second electrodes (13) of the semiconductor elements (4) for forwarding a heat load from the semiconductor elements (4) and for electrically connecting the second electrodes of the semiconductor elements (4) to an external apparatus. The semiconductor device (1) comprises an interface (12) which is electrically connected to gates of the semiconductor elements (4) for external control of the state of the semiconductor elements.
