An exemplary varistor is disclosed which includes at least two poles; a non-linear block; a conductive plate arranged on a main face of the block and having a protruding portion forming one of the poles; and an electrically insulating coating applied to the main face of the block. The part forming the connection pole emerges from the electrically insulating coating and has a braze surface extending above the electrically insulating coating; and the protruding part forming the connection pole is connected to the rest of the plate over at least half of the perimeter thereof.