IEC 60068-2-20:2021 PRV 
Pre release version

Environmental testing - Part 2-20: Tests - Test Ta and Tb: Test methods for solderability and resistance to soldering heat of devices with leads

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Abstract

This Final Draft International Standard is an up to 6 weeks' pre-release of the official publication. It is available for sale during its voting period: 2021-01-08 to 2021-02-19. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.

IEC 60068-2-20:2021 outlines Tests Ta and Tb, applicable to devices with leads and leads themselves. Soldering tests for surface mounting devices (SMD) are described in IEC 60068‑2‑58.
This document 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 in this document include the solder bath method and soldering iron method. The objective of this document is to ensure that component lead or termination solderability meets the applicable solder joint requirements of IEC 61191-3 and IEC 61191-4. In addition, test methods are provided to ensure that the component body can be resistant to the heat load to which it is exposed during soldering.
This edition includes the following significant technical changes with respect to the previous edition:

  1. update of and clarification of pre-conditioning (former "aging") and its relation to natural aging.

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Additional information

Publication typeInternational Standard
Publication date2021-01-08
Edition6.0
Available language(s)English
TC/SCTC 91 - Electronics assembly technologyrss
ICS19.040 - Environmental testing
Stability date  2026
Pages21
File size1158 KB

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