Environmental testing - Part 2-83: Tests - Test Tf: Solderability testing of electronic components for surface mounting devices (SMD) by the wetting balance method using solder paste

This technical specification outlines a method for assessing the solderability of surface mount devices using the solder leveling technique. The procedure specifically addresses the application of flux during the test process to evaluate how well electronic components form reliable joints. By immersing the component terminations in molten solder under controlled conditions, the method quantifies the wetting characteristics, which are critical for determining manufacturing viability and component quality. The approach ensures consistency across different types of SMD components by defining precise parameters for flux selection, temperature control, and immersion duration. This methodology supports the verification of packaging integrity and soldering performance prior to assembly in production environments. It serves as a foundational reference for quality assurance protocols within the electronics manufacturing sector, enabling consistent evaluation of component readiness for wave soldering or reflow processes. The test results provide objective data regarding the surface condition of terminations and the effectiveness of flux activity in facilitating proper solder flow and adhesion.