Hi temp. BGAs balls alloy is mostly Tin (90-10) as far as I know.

The suggested alloy for BGAs balls is SAC (Tin-Silver-Copper).

Reuven




                      Lum Wee Mei
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                      Sent by: TechNet         Subject: Re: [TN] Lead Free BGA's...
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                      31/05/2004 04:28
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Steve,

What a valid and good question to ask! It really never strike me or
anyone in the industries to ask this. I am dying to know the answers
offer my our BGA manufacturers.

Regards,
Wee Mei

Steve Gregory wrote:

>Hi ya'll!!!
>I know most everyone is out for the Memorial day holiday, so this will be
>something that
>everyone can look at on Tuesday...
>My question is; what are the spheres going to be made of for "Lead-Free"
>BGA's? What about the BGA's (ceramic ones usually) that have "High-temp"
balls?
>The high-temp balls are mostly lead, right?
>-Steve Gregory-
>
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