Solder balls for reballing a BGA

Mar 21, 2008 3 Replies
B

I need to reball some BGAs with Pb37/Sn63 solder balls. I need about 10,000 balls. Does anyone know where I can buy them? I found a few places selling lead-free solder balls, and a few places that sell solder balls by the millions, and several manufacturers that don't sell direct. But I can't find anyplace to buy a small qty (~10k) of PbSn solder balls. Thanks for any info.



Some of the BGAs are 1mm pitch, but most are 0.5mm. So I need two sizes of balls.



Btw, I have never actually reballed a BGA before, so if anyone has any pointers about good techniques, let me know. I am going to practice on the cheaper chips till I figure out what I am doing.



-bob


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T

This place sells reballing kits

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I have not personally used them.

Kit Contents: Fluxpen Vial of 50,000 Solder Balls. Choice of 20 mil, 25 mil or 30 mil solder spheres. Choice of Sn63/Pb37 or Sn10/Pb90 solder alloy. 1 standard stencil (component specific).

Hope that helps.

Anthony Low Cost Soldering Techniques Video Guide

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B

Thanks for the info. But it really didn't help me because they don't sell the 12mil balls that I need. They also don't list any prices, or apparently, any way to actually order their products. I often wonder how companies like this stay in business.

Anyway, I ended up buying the solder balls I needed from

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I paid about $80 for 20,000 12mil 63Sn37Pb solder balls.

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O

ebay will help you:

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some videos of bga reballing:

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OP

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