Supplier Lot Traceability Acknowledgement
What and why
Suppliers that are required to maintain lot traceability-tracing all materials back to the point of origin to facilitate isolation and recall of product, if necessary-are required to submit an acknowledgement of understanding and compliance. A Certificate of Conformance serves as this acknowledgement.
How and when
Where applicable, this requirement is designated on the Littelfuse specifications. The requirement is satisfied by:
Suppliers that are required to maintain lot traceability-tracing all materials back to the point of origin to facilitate isolation and recall of product, if necessary-are required to submit an acknowledgement of understanding and compliance. A Certificate of Conformance serves as this acknowledgement.
How and when
Where applicable, this requirement is designated on the Littelfuse specifications. The requirement is satisfied by:
- Faxing or emailing a Certificate of Conformance, for the lot, that lists each Lot Control Traceability container number. This must be submitted and approved prior to shipping the material to Littelfuse.
- Physically identifying each container of material using the alphanumeric numbering scheme defined by Littelfuse. This identification consists of:
- An alpha prefix assigned by Littelfuse
- The date production or plating started (month, day, year)
- The container number





