IEC 60068-2-54:2006 outlines Test Ta, solder bath wetting balance method applicable for any shape of component terminations to determine the solderability. It is especially suitable for reference testing and for components that cannot be quantitatively tested by other methods. For surface mounting devices (SMD), IEC 60068-2-69 should be applied if it is suitable. This standard provides the standard procedures for solder alloys containing lead (Pb) and for lead-free solder alloys. This second edition cancels and replaces the first edition, published in 1985 and constitutes a technical revision. The major technical changes with regard to the previous edition concern: - the addition of lead free solder alloy (see Clause 7, Materials); - reversal of force-time curves to align with IEC 60068-2-69 (see Figure 2 and Figure B.1); - modification to the test requirement for progress of wetting (see Clause 9).
Determines the solderability of component terminations of any shape. Specially suitable for reference testing and components that cannot be quantitatively tested by other methods.
IEC 60068-2-69:2017 outlines test Te/Tc, the solder bath wetting balance method and the solder globule wetting balance method to determine, quantitatively, the solderability of the terminations. Data obtained by these methods are not intended to be used as absolute quantitative data for pass–fail purposes. The procedures describe the solder bath wetting balance method and the solder globule wetting balance method. They are applicable to components and printed boards with metallic terminations and metallized solder pads. This document provides the measurement procedures for solder alloys both with and without lead (Pb). This edition includes the following significant technical changes with respect to the previous edition: - integration of IEC 60068-2-54; - inclusion of tests of printed boards; - inclusion of new component types, and updating test parameters for the whole component list; - inclusion of a new gauge R & R test protocol to ensure that the respective wetting balance equipment is correctly calibrated. The contents of the corrigendum of January 2018 have been included in this copy.
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