Electronics Forum: tin-lead (Page 1 of 52)

When do you use Tin/Lead/Silver paste ?

Electronics Forum | Wed Feb 20 08:13:21 EST 2002 | rkevin

When do you use Tin/Lead/Silver paste ? What is the advantage of using Tin/Lead/Silver paste comparing to Tin/Lead? Do you have to use Tin/Lead/Silver paste only if the components are made from Tin/Lead/Silver ? I would appreciate your quick resp

When do you use Tin/Lead/Silver paste ?

Electronics Forum | Wed Feb 20 09:38:47 EST 2002 | davef

Search the fine SMTnet Archives on � Sn62 � 62Sn � 2% Ag � 2% silver � 2Ag � etc re: "Do you have to use Tin/Lead/Silver paste only if the components are made from Tin/Lead/Silver ?" No Several points are: * Component leads with silver in the sol

Shelf life of electro-plated tin-lead on stainless steel

Electronics Forum | Fri Nov 07 15:57:56 EST 2003 | Marc Simmel

Are there specifications or recommendations for electro-deposited tin-lead plating thickness on austenitic stainless steel that would provide a shelf life of 1 year? 6 months? Would 2 to 3 microns (78 to 118 micro-inches) 90/10 tin-lead over 1.27 mi

Tin-lead wave soldering using a lead-free machine

Electronics Forum | Mon Feb 13 12:41:38 EST 2006 | masrimhd

Hello, I know for sure that using lead-free technology in conventional tin-lead machines makes a lot of problems. But I wonder if we can use conventional tin-lead alloy and components with a lead-free machine! Is it possible? Does this imply any s

2% silver solder paste

Electronics Forum | Tue Apr 13 08:08:33 EDT 1999 | Rob Palson

We process both tin/lead plated boards and gold plated boards in our surface mount group. I have used Sn62/Pb36/Ag2 solder paste on all gold plated boards to help prevent gold scavaging. To reduce the amount of different solder pastes we have to bu

Re: 2% silver solder paste

Electronics Forum | Mon Apr 19 02:38:41 EDT 1999 | Brian Sloth Bentzen

| We process both tin/lead plated boards and gold plated boards in our surface mount group. I have used Sn62/Pb36/Ag2 solder paste on all gold plated boards to help prevent gold scavaging. To reduce the amount of different solder pastes we have to

Flex Circuits reflowing

Electronics Forum | Thu Jul 10 08:48:06 EDT 2003 | Kris

Hi, What would you consider significantly different about lead-free on flex circuits than tin-lead of flex circuits ? Have you published your experiances that you encountered while changing over to lead-free solder paste from a tin-lead paste ? T

facing cold joint problem

Electronics Forum | Sun Jan 18 10:13:59 EST 2004 | davef

Materials added to solder can change its appearance. For instance: * Gold in tin/lead solder is dull / grainy * Palladium in tin/lead solder is dull / grainy We do NOT advocate using visual appearance to define the appearance of a good and a bad so

lead free platings and tin lead

Electronics Forum | Tue Aug 31 12:01:26 EDT 2004 | russ

Kris, this practice has gone on for years. I have never heard of any problems associated with this. I have heard "grumblings" about tin lead parts being processed with lead free paste, but have seen or heard of no data to support. Russ

Thermal cycles of tin lead solder in the Wave

Electronics Forum | Tue Oct 04 11:42:07 EDT 2005 | Bob Leible

I was wondering if anyone has studied the effects of tin lead solder in the wave. If we leave the same solder in the solder pot, how many COMPLETE cool downs and start ups can the solder go through before it begins to break down? Please let me know

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