A filter module for reducing differential and common mode electrical noise comprising: - at least a first electrically conductive busbar and a second electrically conductive busbar being spaced apart, - an at least partially electrically conductive housing at least partially enclosing the first busbar and the second busbar, - at least a first common mode choke and a second common mode choke arranged in the housing and being spaced apart each other, - the first common mode choke being formed by a first ferrite core through which the first busbar and the second busbar extend, - the second common mode choke being formed by a second ferrite core through which the first busbar and the second busbar extend, - at least a first bypass capacitor which is electrically connected to the first busbar and the second busbar, - at least a second bypass capacitor which is electrically connected to the first busbar and a midpoint, - at least a third bypass capacitor which is electrically connected to the second busbar and the midpoint, - said midpoint being electrically connected to the housing, - the first bypass capacitor, the second bypass capacitor and the third bypass capacitor being arranged on a circuit board, - the circuit board being arranged in the housing between the first ferrite core and the second ferrite core, - the circuit board having at least a first spring contact and a second spring contact, - the first spring contact providing an electrical connection between the circuit board and the first busbar, - the second spring contact providing an electrical connection between the circuit board and the second busbar, - characterized in that the first busbar and the second busbar each are spaced apart from the circuit board, - wherein the surface of the first busbar facing the circuit board is minimized and wherein the surface of the second busbar facing the circuit board is minimized. - at least a first electrically conductive busbar and a second electrically conductive busbar being spaced apart, - an at least partially electrically conductive housing at least partially enclosing the first busbar and the second busbar, - at least a first common mode choke and a second common mode choke arranged in the housing and being spaced apart each other, - the first common mode choke being formed by a first ferrite core through which the first busbar and the second busbar extend, - the second common mode choke being formed by a second ferrite core through which the first busbar and the second busbar extend, - at least a first bypass capacitor which is electrically connected to the first busbar and the second busbar, - at least a second bypass capacitor which is electrically connected to the first busbar and a midpoint, - at least a third bypass capacitor which is electrically connected to the second busbar and the midpoint, - said midpoint being electrically connected to the housing, - the first bypass capacitor, the second bypass capacitor and the third bypass capacitor being arranged on a circuit board, - the circuit board being arranged in the housing between the first ferrite core and the second ferrite core, - the circuit board having at least a first spring contact and a second spring contact, - the first spring contact providing an electrical connection between the circuit board and the first busbar, - the second spring contact providing an electrical connection between the circuit board and the second busbar, - characterized in that the first busbar and the second busbar each are spaced apart from the circuit board, - wherein the surface of the first busbar facing the circuit board is minimized and wherein the surface of the second busbar facing the circuit board is minimized.