IEC 60747-3:2013 gives the requirements for the following devices: - signal diodes (excluding diodes designed to operate at frequencies above several hundred MHz); - switching diodes (excluding high power rectifier diodes); - voltage-regulator diodes; voltage-reference diodes; - current-regulator diodes. This edition includes the following significant technical changes with respect to the previous edition: a) All clauses were re-edited to latest IEC publication format and style with all contents from previous publication. b) All clauses have been amended by suitable additions and deletions. This publication should be read in conjunction with IEC 60747-1:2006.