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SVA Whisker Testing / Results

SVA Whisker Testing / Results. As a whisker mitigation measure, National anneals all of its tin plated, leadframe-based packages for 1 hour at 150° C within 24 hours of plating. This is the industry-accepted method for controlling whisker growth.

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SVA Whisker Testing / Results

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  1. SVA Whisker Testing / Results • As a whisker mitigation measure, National anneals all of its tin plated, leadframe-based packages for 1 hour at 150° C within 24 hours of plating. This is the industry-accepted method for controlling whisker growth. • Since thin plating is known to be more susceptible to whisker growth, National maintains a minimum tin plating thickness of 8 microns, with a nominal thickness of 12 microns. • National packages are plated with the most advanced plating chemistry in the industry for tin whisker control and have been meeting JEDEC 22A121 specifications since 2010. • In terms of lead-free requirements, the current RoHS Directive exempts leadframe packages with pitches less than or equal to 0.65 mm. • The following data is collected per the JEDEC requirements given in JESD201

  2. SVA Whisker Testing / Results

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