Abstract: Transformation device including a transformer, first electrical components and connections, the transformer including a first winding and a second winding, the first electrical components being connected via the connections between first terminals of the first winding, the first electrical components extending over an integration surface situated between the connections, the integration surface, the connections and a portion of the first winding forming portions of circulation of a first current circulation loop, the transformation device being arranged for a connection current to circulate in the first current circulation loop, each portion of circulation being wider than it is long in the line of circulation of the connection current.

Abstract: The invention concerns a device for controlling at least one diode 2, the control device comprising an electrical card 4 comprising a printed circuit 5 on which the following are mounted: a diode 2, a front component 7 and a storage capacitor 9 connected in such a way as to form a circuit loop 17 extending substantially in a thickness of the electrical card 4.