Clarification on White Marks on ADH700-48S28-6L DC-DC Converter

If you have observed white marks on the surface of the ADH700-48S28-6L DC-DC Converter from ARTESYN / Advanced Energy and are concerned about their impact on usability,

Please note that we have confirmed with the manufacturer that these marks do not affect the product’s performance or reliability.
They are sometimes added by the factory team after completing testing or inspections.

Applicable Part Numbers
DigiKey Part Number Manufacturer Part Number
ADH700-48S28-ND ADH700-48S28-6L
ADH700-48S50-ND ADH700-48S50-6L
454-ADH700-48S50-6LS-ND ADH700-48S50-6LS
454-ADH700-48S28-6LS-ND ADH700-48S28-6LS
454-ADH700-48S28P-6L-ND ADH700-48S28P-6L
454-ADH700-48S28P-6LS-ND ADH700-48S28P-6LS
454-ADH700-48S50P-6L-ND ADH700-48S50P-6L
454-ADH700-48S50P-6LS-ND ADH700-48S50P-6LS