What are the 2 or 3 most used BGA balls sizes please ?

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  • corrize
    Badcaps Veteran
    • Apr 2021
    • 272
    • France

    #1

    What are the 2 or 3 most used BGA balls sizes please ?

    Hello, I want to buy BGA balls (not stencils, only balls) but I don't know what size, it's just for reballing the new chip balled if the first attempt fail. So I will rarely use it. Probably chips are PMIC with max 60 balls. I don't need to reball EC chips from laptops of big chips like that.
    So what are the 2 or 3 most used BGA balls sizes I should have for cover the jobs please ?
  • harp
    Badcaps Veteran
    • Jun 2022
    • 595
    • Planet Earth

    #2
    I dont work with bga jet, but just download random bga ic datasheet and find detailed drawing for balls, stencil... so your 3 most used balls may not be my 3 most used balls, depend what ic you work with.
    For ic from attachment I guess balls 0.35 - 0.40mm be good.
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