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ST25R3911B-AQFT different COO with different package outline

Selena
Associate

Dear Sir, 

ST25R3911B-AQFT, we have noticed that the QFN32 package is different for COO=KR and COO=TH parts, referring to photos attached, is this normal?

Is there any updated datasheet or PCN information to reflect such change? 

The package of ST25R3911B-AQFT should have chamfers at its 4 corners and we have observed that COO=KR parts have 4 corners while COO=TH parts don't have it. 

 

 

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