2012BS EN 60115-8:2012 Fixed resistors for use in electronic equipment. Sectional specification. Fixed surface mount resistors
2004BS EN 140400:2003 Harmonized system of quality assessment for electronic components - Sectional specification:Fixed low power surface mount (SMD) resistors
1997BS EN 140400:1997 Harmonized system of quality assessment for electronic components - Sectional specification:fixed low power surface mounting (SMD) resistors
1990BS QC 400600:1990 Harmonized system of quality assessment for electronic components - Fixed resistors for use in electronic equipment - Sectional specification: fixed surface mounting (chip) resistors