• State TI Thinks Resolved
  • Locked Locked
  • Replies 3 replies
  • Answers 1 answer
  • Subscribers 64 subscribers
  • Views 225 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM2574: The difference between LM2574M-5.0 / NOPB and LM2574M-5.0

Yuto Hori
Prodigy 400 points
Part Number: LM2574

My customer would like to use LM2574M-5.0 / NOPB.

But he found only LM2574M-5.0 and considers whether he can use this to his products. 

So, I would like you to answer the following questions.

  • Is the difference between LM2574M-5.0 / NOPB and LM2574M-5.0 only whether or not they are RoHS compliant?
  • Does LM2574M-5.0 contain prohibited substances?(Looking at the data sheet, it doesn't seem to contain prohibited substances.)

I look forward to your reply.

  • 0
    TI__Mastermind 29735 points

    Hi Yuto,

    Do you know the date code or Lot number of LM2574M-5.0 will be used?

    B R Andy

  • 0 in reply to Andy Chen
    TI__Prodigy 400 points

    Hi Andy,

    Thank you for your reply.

    My customer says the following.

    -----------------------

    It is a market item (not purchased), so I cannot confirm the date code or Lot number.

    Does it mean that the substances contained are different depending on when it was made?

    I think the only possible RoHS substance is lead.
    I don't need guarantee about it, but I wonder if lead is used intensionally when it is design and manufactured.

    Also, I would like to know the difference between with and without "/NOPB".

  • 0 in reply to Yuto Hori
    TI__Mastermind 29735 points

    Hi Yuto,

    We may check the assembly information with device Lot# 

    NOPB means No Pb, or Pb free

    B R
    Andy