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LM51501-Q1: part / label marking question

Part Number: LM51501-Q1

Can I get some information on TI parts with an X in front of the part number on the label ?   I am seeing this part  LM5150QRUMRQ1   listed from a broker with xLM5150QRUMRQ1

any idea what this means ? 

thank you 

  • Hi Bruce, 

    It should be early samples (APL--Advanced Product Launch) before the device is officially released to market.  The device should meet the final datasheet spec.


    Youhao Xi, Applications Engineering