IEC 60068-2-20:2008 Environmental testing - Part 2: Tests - Test T: Test methods for soldeability and resistance to soldering heat of devices with leads
IEC 60068-2-21:2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices
IEC 60127-1:2006 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
ISO 3:1973 Preferred numbers; Series of preferred numbers