electronic solder: any good suggestion?

takao21203

Joined Apr 28, 2012
3,702
Sorry but I do not get if it’s is related to my question or not....
It is probably not.

You should get a decent station with temperature display, and most of these are for 50W 24V soldering iron.
Theres cheap ones with TRIAC control they are not as good.

As I mentioned, point tips are about useless.
A desoldering pump also is good, the braids are crap (my opinion though).
Flux normally is not needed except for some fine pitch SMD. The solder does contain flux.

Also check if you can get spare tips as they wear out over time.

I use 330C always.

Dont leave the soldering iron powered on and hot for a long time, the tip will degrade from prolonged heating.
With 50W it heats up fast enough (compared to small 18W mains powered).

Broad tip can do all soldering jobs, as it is possible to apply it with 45 degree angle, so you get some kind of a point if you need it.
I can do smallest SMD like 0805 and SOT23-6 but of course, need to put the tip at some angle to hit one of the tiny pads/pins.

And you can use bluetack to secure tiny SMD parts.
 

FlyWizard

Joined Apr 27, 2016
6
You can't go wrong with this
https://www.amazon.com/Kester-24-6337-0010-Rosin-Solder-SPOOL/dp/B00068IJWC

You don't have to get a big roll like that but the last roll I had last I know over 20 years before I ran out LOL
I got a roll of this http://www.qualitek.com/SN60_RA300_TDS.pdf

It's good solder too This maybe be the last roll I have to buy it's a bit cheaper
I agree, 24-6337-0010, is great solder. You can get the exact Kester solder in a smaller quantity on Amazon at: https://amzn.to/2IatGGm. Saves some money and doesn't give you tons more than you will ever use.
 

FlyWizard

Joined Apr 27, 2016
6
Hi Ivan,

You asked a great question! I've been soldering for many years and have had a lot of good and bad luck with a variety of manufacturers and suppliers. A few years ago I decided to offer some of my solder favorites in smaller quantities and at low prices to fill the need for those like you and I that don't want to purchase a lifetime spool worth of a particular solder. Here's a few of my favorites:
(full disclosure - these are my listings that I sell)

Kester 245 No Clean Core 63/37 .015" 24-6337-8853 Solder. Amazon Link: https://amzn.to/2zVRUBO
-MY VERY FAVORITE solder! No clean (I hate cleaning flux), large 3.3% flux center eliminating the need to apply extra flux, 63/37 alloy for great flow and nice fillet solder joints. Great for SMT soldering.

Kester 275 No Clean Core K100LD Alloy .020" 24-9574-7610 Solder. Amazon Link: https://amzn.to/2RzcPRI
My second favorite solder! Lead free, no clean, large 3.3% flux center. Great choice when no lead is required/desired.

Kester 44 Rosin Core 63/37 .020" 24-6337-0010 Solder, Amazon link: https://amzn.to/2ykXpYB
-excellent rosin core solder. You can't get a smoother more perfect solder joint than this. Great for SMT just remember that the flux residue can be a little sticky after soldering.

Many more varieties of small quantities are available on Amazon and also on eBay.

Hope that helps. Good luck in finding your favorite solder for your projects.
 

MisterBill2

Joined Jan 23, 2018
27,769
Don't ever, EVER use a file to clean a soldering iron tip. Soldering tips consist of a copper core plated with iron on the outside; without that iron plating, they quickly erode as the hot solder dissolves the copper. Use a chemical cleaner instead, or GENTLY use a brass wire brush.
I have made quite a few of my own soldering pen tips, using either #10 or #8 copper wire. The solid copper tips are OK to file because there is no separate coating. I have also used the cheap replacement tips that are solid copper, or some alloy. The expensive ones are different and if they are of the plated type then that advice holds. But the solid copper ones are OK to file.
 

MisterBill2

Joined Jan 23, 2018
27,769
I have found that the quality and effectiveness of fluxes does vary widely. Kester brand is indeed always good but with other nameless brands there is a wide variation. Some rolls of Radio Shack solder have a very good flux, I have discovered.. And an interesting fact is that for maximum reliability, solder must contain some lead. Military equipment and space vehicles use lead based solders because they need to be reliable. But you do need to be careful to wash hands after using lead solder, and NEVER eat circuit boards that have lead solder on them.
 
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