Abstract:

The supply chain for electronic products has grown more complex over the last several decades, making the tracking of semiconductor part changes through the supply chain more difficult. Electronic systems manufacturers must now take an increasingly active role in tracking part changes, and may need to establish contractual agreements to guarantee that they receive the information they need. This article provides the information needed for system manufacturers to plan their change control policies. The relevant standards and current industry practices for change control and notification are discussed. Policies of major manufacturers, distributors, and contract manufacturers are analyzed. Examples of commonly made changes and the reasons why they are made are provided. Finally, policy recommendations for electronic systems manufacturers are made.

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