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TMP401: TMP401AIDGKR Decap test shows different Die marking

Part Number: TMP401

     

  


Dear sir

I got this part number from different suppliers, and Decap shows different DIE marking, pls let me know the reason of this, the first pics is origin Tiland, shows IC05011 and the last pics is origin China. shows 5104.and the two parts also shows different body marking, the origin Tiland has TI logo, and origin China has TI charactor, pls let me know how to explain this to customer.

Best regards

Kevin