IEC 60068-2-58:2015 

Environmental testing - Part 2-58: Tests - Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD)

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IEC 60068-2-58:2015+AMD1:2017 CSV


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IEC 60068-2-58:2015 outlines test Td, applicable to surface mounting devices (SMD). This standard provides procedures for determining the solderability and resistance to soldering heat of devices in applications using solder alloys, which are eutectic or near eutectic tin lead (Pb), or lead-free alloys. The procedures use either a solder bath or reflow method and are applicable only to specimens or products designed to withstand short term immersion in molten solder or limited exposure to reflow systems. The solder bath method is applicable to SMDs designed for flow soldering and SMDs designed for reflow soldering when the solder bath (dipping) method is appropriate. The reflow method is applicable to the SMD designed for reflow soldering, to determine the suitability of SMDs for reflow soldering and when the solder bath (dipping) method is not appropriate. This edition includes the following significant technical changes with respect to the previous edition:
- the addition of Sn-Bi low temperature solder alloy;
- the addition of several reflow test conditions in Table 7 - Resistance to soldering heat - Test conditions and severity, reflow method;
- introduction of reflow test method for Test Td3: Dewetting and resistance to dissolution of metallization;
- implementation of guidance for the choice of a test severity in Clause B.3.

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Additional information

Publication typeInternational Standard
Publication date2015-03-27
Available language(s)English/French
TC/SCTC 91 - Electronics assembly technologyrss
ICS19.040 - Environmental testing
31.190 - Electronic component assemblies
Stability date  2022
File size2219 KB

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