Electronics Forum: alloy 42 sn90 pb10 (Page 1 of 1)

0402 tombstoning and dewetting on QFP256 trade-off

Electronics Forum | Thu Mar 12 06:37:48 EDT 2009 | gregoryyork

I agree you are too cold for the profile get it up to 230C and possibly allow it to dwell a little longer in preheat as opposed to pushing up the reflow zone only. Sn90/Pb10 melts at 220C so 2C hotter than your profile so you are reliant on it alloyi

Use of Pb-free Components

Electronics Forum | Fri Mar 19 11:48:06 EST 2004 | Ken

This is the dilema during this transition period. Here is a tip: If you see typcial solder joints on a lead free process, but only on one component type....it probably has a significant quantity of lead in it (ex. Sn90/Pb10...and so on) If using T

  1  

alloy 42 sn90 pb10 searches for Companies, Equipment, Machines, Suppliers & Information