Three-dimensional electrical module, comprising first and second parallel substrates (11, 12), each of said first and second substrates comprising an electrical contact (111, 121) oriented towards the other of said first and second substrates; the module furthermore comprising a capacitor comprising: - a first electrode electrically connected and securely fastened to the contact of the first substrate, and - a second electrode electrically connected and securely fastened to the contact of the second substrate; - a continuity of material being formed between the first and second substrates, perpendicular to the first and second substrates, and through said capacitor; - an insulating body placed between the first and second electrodes (51, 52), said continuity of material being formed through said insulating body, - the contacts (111, 121) of the first and second substrates (11, 12) being offset in a direction parallel to the first and second substrates, the first electrode comprising an axial end and the second electrode comprising an axial end, said insulating body being placed between the axial ends of the first and second electrodes, said axial ends of the first and second electrodes being opposite in a direction parallel to said first and second substrates, the first electrode comprising a lateral extension that extends laterally along the insulating body on the side of the first contact and that extends towards the axial end of the second electrode, a dielectric material being interposed between the second electrode and the lateral extension of the first electrode, the second electrode comprising a lateral extension that extends laterally along the insulating body on the side of the second contact and that extends towards the axial end of the first electrode, a dielectric material being interposed between the first electrode and the lateral extension of the second electrode, the capacitor comprising a dielectric material interposed between the insulating body and the lateral extension of the first electrode and comprising a dielectric material interposed between the insulating body and the lateral extension of the second electrode. - a first electrode electrically connected and securely fastened to the contact of the first substrate, and - a second electrode electrically connected and securely fastened to the contact of the second substrate; - a continuity of material being formed between the first and second substrates, perpendicular to the first and second substrates, and through said capacitor; - an insulating body placed between the first and second electrodes (51, 52), said continuity of material being formed through said insulating body, - the contacts (111, 121) of the first and second substrates (11, 12) being offset in a direction parallel to the first and second substrates, the first electrode comprising an axial end and the second electrode comprising an axial end, said insulating body being placed between the axial ends of the first and second electrodes, said axial ends of the first and second electrodes being opposite in a direction parallel to said first and second substrates, the first electrode comprising a lateral extension that extends laterally along the insulating body on the side of the first contact and that extends towards the axial end of the second electrode, a dielectric material being interposed between the second electrode and the lateral extension of the first electrode, the second electrode comprising a lateral extension that extends laterally along the insulating body on the side of the second contact and that extends towards the axial end of the first electrode, a dielectric material being interposed between the first electrode and the lateral extension of the second electrode, the capacitor comprising a dielectric material interposed between the insulating body and the lateral extension of the first electrode and comprising a dielectric material interposed between the insulating body and the lateral extension of the second electrode.