Electronics > Beginners
Solder choice AIM Sn62/Pb36/Ag2 vs MG Chemicals 63/37 No Clean Leaded Solder
Rango:
Thank you everyone for feedback. Much appreciate it. I've placed an order for AIM 13772 Sn62/Pb36/Ag2. I really like MG Chemicals too. They're very transparent and make data sheets available on amazon. I like how this company does business. BTW to find data sheet from AIM was a pain. Had to dig deep in the net. Terrible transparency IMO. Same thing with Kester. 2 specs are available for MG chems right on amazon page. I like this a lot. I may get MG Chems No clean in the future as well as second roll but we'll see if i need to.
Reason i chose AIM 13772 Sn62/Pb36/Ag2 - https://www.mouser.com/ProductDetail/738-13772
http://www.mouser.com/catalog/catalogusd/648/2337.pdf
Pros:
Has Ag in it, exotic offering at affordable price. Kester wants $90/lb for Ag. In past all electronics parts had some silver in it.
All joints with Chinese Ag in test video were gorgeous. Seeing is believing for me and i expect quality of AIM to be better then Chinese Ag offering.
Price: cheap for lb with Ag in it. It seems it's on sale at Mouser at this time vs price listed in catalog.
RMA 3% - mildly activated. No need to clean but using activated rosin.
"Space station guy" is using this brand. If it's good for him it's definitely good for me.
Very low melting temp: 179C. Slightly lower then 63/37 combination. Not a big deal but worth mentioning.
Cons
little thin 0.025"/0.635mm then i would like but it's ok, i got lb of this stuff now.
No (No Clean formula) like MG Chems has
I will drop by iron temp to 350C and change tip to little thicker one. I was using very thin one but needed to get in tight spaces with tiny holes.
Soldering station is good and total overkill for what i do but i think it was like $60 i couldn't resist getting it, especially with rework gun which i can also use for shrink tubing as well, which i do often. Really good value IMO. I have no attachments to any brand. Also I'm pretty sure i'm done with ALL 60/40 solder offerings for life. You can thank to R.S for that one.
I will be doing some wire soldering with this so when i get done i will follow up with a pic post job. Maybe i'll learn something new with this.
BTW i also checked out that discoloring on top of the pots. It's not corrosion but paste residue and some accumulated dust along with discoloration i did with sand paper. It's all good just looks weird in the pic. I checked the paste too and it's non acid one so i'm all good there as well. I cleaned with q-tip with 90% alcohol so it's cleaner now too. No issues there just doesn't look aesthetic.
mcovington:
--- Quote from: tooki on December 18, 2019, 11:27:35 pm ---P.S. Should you ever need to go lead-free, buy the more expensive SAC305 alloy. It’s more expensive than the silver-free lead-free solders, but much nicer to work with. (Though still not as nice as 63/37 leaded.) I have the MG Chemicals no-clean SAC305 and it’s great stuff.
--- End quote ---
Kester 44, 63/37 or 60/40, is the most popular solder America has ever known. It has been the leader for 50 years or more (with a gradual shift from 60/40 to 63/37).
I like Kester K100LD [corrected] lead-free solder -- SnCu with traces of nickel and bismuth -- I find that it hardens shinier than SAC (SnAgCu).
FlyWizard:
The AIM 13772 choice is a good one. I've not used a lot of AIM solder in the past but I've sold a bunch of spools of AIM and the feedback has always been good.
I use a ton of 63/37, 60/40 is a really close second, and I hate cleaning so I'm always choosing no-clean flux.
The Kester K100LD is on my favorites list for lead free solder. Lower cost than silver bearing and does a great job. I use 24-9574-7610 a lot and have gone through multiple spools on a variety of PCB builds with never a problem. The price is comparable to the AIM 13772 too.
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