A supplier label may carry a part number, manufacturing lot, shipment trace code, quantity, and several dates. Storing whichever barcode is easiest to scan in a generic lot field can destroy the relationship needed for a later quality notice. Define each field before automating receiving.
TI’s quality and reliability FAQ identifies its Ship Trace Code on the shipping label as information used for traceability. Use the current label guidance for the relevant manufacturer; a field identifier from one company’s label is not a universal definition for another supplier.
Retain the source vocabulary
Create separate fields for manufacturer part number, manufacturer lot or trace code, distributor reference, internal receipt identity, and individual carrier identity where needed. Preserve the printed field name or data identifier with the captured value. That makes later interpretation possible when several similar codes appear together.
Keep a readable image of the original label where the process requires it, linked to the received material. A scan result alone may lose context such as which label level it came from. Distinguish an outer shipping-carton label from the labels on enclosed reels or trays.
Test the mapping against realistic receipts
| Receipt case | Potential ambiguity |
|---|---|
| Several reels in one carton | One shipment code is mistaken for every carrier identity |
| Split distributor shipment | Distributor repacking reference replaces manufacturer trace data |
| Mixed manufacturing lots | One generic lot value conceals multiple populations |
| Partial reel returned to stock | Internal movement loses the original label relationship |
Use controlled examples to verify barcode parsing and manual entry. Preserve leading zeros and punctuation when they are part of the identifier. A parser should report an unsupported label format rather than quietly place an unfamiliar field into the nearest available column.
Keep relationships through material movement
- Assign internal identities without overwriting manufacturer codes.
- Record splits and combinations as explicit material movements with quantities and the retained parent identities.
- Link consumed material to the relevant build records.
- Retain unused material identity when returning it to stock.
- Test a trace-back query using a known received carrier.
The necessary granularity depends on the production agreement and traceability system. Do not claim unit-level component genealogy when records only establish a broader build population. State the supported scope clearly during an investigation.
Close the mapping review with a field dictionary and validated label examples. The identifier preservation guide explains how those codes can be damaged later when exported through spreadsheet tools, even after receiving captured them correctly.
Move from reading to a build-ready project
Use the fabrication and assembly checklists to prepare drawings, production files and test requirements.
Open the DFM checklist