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TPS7A4501-SP: Discoloration Issue 2 of 2

Robert Charbine
Prodigy 170 points
Part Number: TPS7A4501-SP

Tool/software:

The full part number is PS7A4501HKU/EM.

The devise has discoloration on their welds.

what the cause of discoloration could be and if it is safe to use as is?

  • 0
    TI__Genius 11950 points

    Hi Robert,

    There are two general reasons why discoloration can happen with units:
    1. Oxidation

    2. Salt in the atmosphere.

    In either case, TI has done testing on discolored units and they have passed lead-fatigue/solderability tests.
    Our stance is that discolored units do not impact package integrity, lead integrity, or solderability degradation.

    Thanks,
    Sarah