The disclosure relates to a device for cleaning electronic components and/or circuits. The cleaning device comprises a first vessel containing a liquid, a support for holding the electronic components and/or circuits, a fluid injection system including nozzles allowing the projection of jets of fluid to sweep the surface of the components, and a fluid mixer including a first inlet suitable for receiving a pressurised liquid, a second inlet suitable for receiving a pressurised gas, and an outlet designed to supply the injection system with two-phase fluid. The first inlet is coupled to the outlet by an inner duct, the second inlet is coupled to a pressurised gas supply and to an injector for injecting the gas into the inner duct.