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

Win Source Online Electronic parts

Best Reflow Oven
Win Source Online Electronic parts

World's Best Reflow Oven Customizable for Unique Applications
High Throughput Reflow Oven

High Precision Fluid Dispensers
Hot selling SMT spare parts and professional SMT machine solutions

Private label coffee for your company - your logo & message on each bag!