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LM4132: LM4132BMFX-2.5/NOPB backward compatibility

Caglar Cihan
Expert 6235 points
Part Number: LM4132

Dear Team,

My customer would like to use LM4132BMFX-2.5/NOPB in leaded soldering process. Is this part backward compatible?

Best Regards,

Caglar

  • 0
    TI__Mastermind 19370 points

    Hi Caglar,

    SnPb solder start melting at 173-178C while lead free start melting at 217-220C.

    Depends on the PCB thickness, solder paste type and component density, the profile may not able to form a good IMC and the solder joint may not be perfect.

    We normally don’t recommend mixed soldering process.