[Elecraft] Solder Question...

Wed May 28 05:52:01 2003

I picked up a spool from mcmaster-carr, www.mcmaster.com - a very impressive
catalog they have, too, and fast shipping and no minimums.

7745A3
63% /37% Tin/Lead Alloy Multi-Flux Core Soldr .025" Wire Dia, 361 Degree F
Melt Temp, 1 lb Reel
$ 15.32 Each

it doesn't actually say "multicore(r)" anywhere in the catalog that I could
see, but that's what it is.

The sad part is that the spool is fatter than my last one; I can't wrap my
hand around it and control the solder with my fingertips like I'm used to,
I'll have to find a new position.  sigh.

----- Original Message ----- 
From: "Trevor Jacobs" <[email protected]>
To: "Elecraft Mailing List" <[email protected]>
Sent: Wednesday, May 28, 2003 12:28 AM
Subject: [Elecraft] Solder Question...

> Hey Gang,
>
> I've always used 60/40 alloy solder (or 2% Silver for SMT) , but was
> wondering about the 63/37 alloy? Was wondering what the purpose of the
> different alloys was, other than the melting point (190 C for 60/40 and
> 183 C for 63/37). Is one more preferable for rework?
>
> Also, anyone have a mail order/on-line source for Multicore solder? I
> used my last roll up about a year ago and had been using Kester 60/40
> #44 Flux and really liked the Multicore better. After checking the
> Locktite web site, they don't seem to mention any part numbers, and
> looks as though they are concentrating more on the "Lead Free" stuff. In
> fact the only "Multicore" solder wire they mention in the product sheet
> all has either "No Clean" or "Water Washable" Flux. Digikey doesn't have
> it either. I wonder if this "Lead Free" stuff is going to take over?
> Anyway, any information is appreciated.
>
> 73's Trev KG6CYN
> http://www.qsl.net/kg6cyn
>
>
>
>
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