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BOM Preparation Checklist

An exact bill of materials helps avoid unnecessary sourcing questions.

Required columns

Reference designators, quantity per board, manufacturer, manufacturer part number, description and package. Add approved alternatives as separate, clearly identified options.

Clarify exceptions

Mark do-not-populate positions, customer-supplied inventory, substitutions requiring approval and special handling requirements.

Reconcile the data

Check BOM quantities against your placement file and schematic. State the board revision and the number of assemblies requested.

Project review checklist

Information to prepare for project review
Item What to include
Source documents Use the current design revision and approved part data
Consistency check Resolve conflicting values before release
Manufacturing review Submit remaining questions with the quotation request

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