This specification is part of 4 documents describing fixed resistors for surface mount technology as follows: EN 60115-1 Fixed resistors for use in electronic equipment . Part 1: Generic specification (IEC 60115-1, mod.) EN 140400 Sectional specification: Fixed low power surface mount (SMD) resistors EN 140402 Blank Detail Specification: Fixed low power wire wound surface mounting (SMD) resistors EN 140402-801 Detail specification: Fixed low power wire-wound surface mount (SMD) resistors . Rectangular .- Stability classes 0,5; 1; 2.