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Altera_Forum's avatar
Altera_Forum
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14 years ago

Peak temperature on BGA balls -reflow proccess

Hello. I have a question about reflow profile of BGA components. As I measured the temperature on several places of a BGA component , I found there were differences on temeprature of the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Try this doc:

http://www.altera.com/literature/an/an353.pdf

Your question is answered in "Reflow Process Considerations"

Basically for ROHS, minimum reflow temp is 235C and maximum is 245C ->260C depending on package size. (217C melting point)

For non-rohs, it's 200C to 235C for reflow (melting point = 183C)

Pete