I want to solder some IC tabs (non PCB now) with 96-4 Sn:Ag solder. I am assuming thats the only non-lead deal out there.
What is the best flux, temperature? I am toying with a SnCl4 flux, as I can rinse.
Any best practices here?
jb
You have to turn the temperature up a little. I usually use 650 F
343 C for PbSn solder, but have to turn it up to 700 F for light connections or even 750 F for heavier soldering. (370 - 400 C)The standard soldering fluxes work fine for lead free solder.
Jon
And make sure to have some spare tips on hand because that eats them quicker than normal.
-- Regards, Joerg http://www.analogconsultants.com/
Lead free soldering is a PITA in many respects. I assume you are doing this for an important reason? If not, skip it and use standard lead solder.
-- Rick
Well, as a last resort, I actually tried it, and was surprised at how well 96-4 flowed and wetted. I had traces of Pb on my iron, so maybe that helped. I had wetted the tip twice with the 96, and wiped off with steel wool, so there wasn't much, tho.
As I used it (tinning a piece of zip cord with a Weller gun.), it wetted as well as 60-40.
Why would anyone use a solder gun? There's certainly more than one unleaded solder formula out there.
NT
What the heck are you doing wrong? I NEVER have had any trouble with Sn96.3Ag3.7 solder.
There is that crap with the non-functional copper added.
I don't have a choice, I have to use lead free, but the military and others don't. They use leaded solder because it is more reliable and has fewer "issues". Just ask Toyota.
-- Rick
Yes, I had an easy time - don't know what all the whining is about. jb
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