Electronics Forum | Tue Oct 26 13:45:19 EDT 2004 | vinod
Hi friends I am using Alpha Metal WS709 solder paste. I know the spec for this solder paste. It recommends straight ramp to 220 C at 0.9 degree/sec and TAL 75 sec.So I am looking between around 27-220 temp around 215 second. And time above 183 not to
Electronics Forum | Tue Oct 26 13:45:23 EDT 2004 | vinod
Hi friends I am using Alpha Metal WS709 solder paste. I know the spec for this solder paste. It recommends straight ramp to 220 C at 0.9 degree/sec and TAL 75 sec.So I am looking between around 27-220 temp around 215 second. And time above 183 not to
Electronics Forum | Sat Mar 27 12:48:04 EST 2004 | Bill
Does anybody have access to an Electrovert Atmos 1000CR schematic? Ours has been removed from the manual ---and we could use information regarding the change from 480 to 220v for a different facility. Thanks in advance, Bill
Electronics Forum | Sat Apr 10 11:47:16 EDT 2004 | mskler
Hi all, When we are producing A gold Plated PCB Then the Prob Of Dry soldering is coming Profile temps are 130, 150, 180,and 220 top & 215 bottom.Then what are the other causes or Precautions may be taken.
Electronics Forum | Mon Apr 12 08:53:12 EDT 2004 | russ
what kind of temps is the board seeing? I noticed zones at 220 and 215 respectively could you be running too cold in the oven? Russ
Electronics Forum | Thu Apr 22 14:15:35 EDT 2004 | russ
Well so much for being too hot! Try kicking your max temp up to 220, I wouldn't extend the duration however. I would almost start to think that this QFP has a pb free finish. Let us know what happens Russ
Electronics Forum | Fri Apr 23 12:47:29 EDT 2004 | barry
I have increased my peak to 220, and Flow is better, but it still not quite a good fillet all around. The solder tends to kinda "bunchup" at the toe of the lead. If part is Pb free, would this affect adhesion and or flow?
Electronics Forum | Mon Aug 23 12:33:40 EDT 2004 | rlackey
Hi Ozzy, Second one sounds like a 220nf /0.22uf 16v tant. No idea on the first. Rob.
Electronics Forum | Mon Nov 29 18:54:30 EST 2004 | russ
IPC 782 has some info in it by package type. This is usually dictated by each component manufacturer. All SMT parts should be able to withstand 220 C for at least 60 sec. Russ
Electronics Forum | Wed Dec 15 08:44:50 EST 2004 | cardinal
Hi Patrick, For UP 78 the best profile is also the easiest. Straight ramp to 220-225 1-2 degrees C per second TAL 45-60 seconds drop it staight off The Tech bulletin says the exact same thing. Former Alpha Guy here
