Printed circuit board (1) having a plurality of electronic components (2, 2', 2'', 2''', 2'''') arranged on the printed circuit board (1) in at least one group (G1, G2, G3), wherein the electronic components (2, 2', 2'', 2''', 2'''') each have a first electrical component contact surface (3') and a second electrical component contact surface (3'') facing the printed circuit board (1), wherein the component contact surfaces (3', 3'') are connected to corresponding printed circuit board contact surfaces (6, 7, 8) arranged on the printed circuit board (1), wherein successive electronic components (2, 2', 2'', 2''', 2'''') form a string by means of a series connection, wherein the string runs in an undulating manner, wherein the electronic components (2, 2', 2'', 2''', 2'''') of the string are arranged on the printed circuit board (1) in accordance with a matrix having at least two rows (Z1, Z2, Z3) and at least two columns (S1, …, S6), and the string runs alternately up and down along columns (S1, …, S6) arr
