When customers are searching for SunLED part numbers, they may find an ‘X’ prefix.
The ‘X’ prefix is a regional based sales tracker so we in America are able to sell the part.
For example, if a customer is looking for the LUGR37M, we can offer XLUGR37M, instead. They are exactly the same part.
This is not public knowledge and cannot be shared with the customer per our contracts with SunLED. Instead, tell the customer the ‘X’ prefix is an internal SunLED marker that does not have any significance for the part’s performance if they insist on knowing what ‘X’ means.