Process Change Notice #1608083
W7206F1 Process Change Notice Form rev AW
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PCN Date: 8/8/2016 Effective Date: 11/14/2016
Title: New Metal Lid Surface Finish for Si5xx XO/VCXO CLCC Packages
Last Order Date: Not Applicable
Silicon Labs is pleased to announce the successful qualification of a new metal lid that enhances the
quality of the seam welding process used on all Si5xx XO/VCXO products.
Upon the effective date of this PCN, Silicon Labs will begin shipping the new lid. The older lid will be
phased out as the supply chain transitions to the new lid.
Reason for Change:
Supplier-recommended process improvement to enhance quality of seam welding process.
Impact on Form, Fit, Function, Quality, Reliability:
The new metal lid uses electroplated Nickel which enhances the quality of the seam welding
process. There is a slight impact to form, with the lid surface finish changing from bright surface to
matte surface. There is no impact on Fit or Function. Please refer to Appendix A, B and C for a metal
lid comparison and qualification report.