The invention relates to a component with a base body (1) made from a ceramic material comprising an envelope (2) containing organic solvent, whereby a laminar stack (3) is arranged on the surface of the base body (1), with an electrically conducting protective layer (4), preventing the diffusion of the organic solvent and a solder layer (5), soldered to a contact element (9). The invention further relates to the production of the component in a high vacuum. The invention furthermore relates to the use of the component as a PTC-thermistor in overload protection circuits. The resistance stability of the ceramic component can be improved by means of the additional protective layer in the sandwich electrode.