EN 60749-20:2009

FOREWORD
1 Scope
2 Normative references
3 General description
4 Test apparatus and materials
5 Procedure
6 Information to be given in the relevant specification
Annex A (informative) - Details and descriptions of test
        method on resistance of plastic encapsulated SMDs
        to the combined effect of moisture and soldering
        heat
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

IEC 60749-20:2008 provides a means of assessing the resistance to soldering heat of semiconductors packaged as plastic encapsulated surface mount devices (SMDs). This test is destructive. This second edition cancels and replaces the first edition published in 2002 and constitutes a technical revision. The main changes are as follows: - to reconcile certain classifications of IEC 60749-20 and those of IPC/JEDEC J-STD-020C; - reference IEC 60749-35 instead of Annex A of IEC 60749-20, Edition 1; - update for lead-free solder; - correct certain errors in the original Edition 1.