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 Forum index » DIY Hardware and Software » Ken Stone designs - CGS
What solder adn why
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dingebre



Joined: Aug 10, 2008
Posts: 261
Location: Salt Lake City, UT USA

PostPosted: Mon Aug 25, 2008 1:43 pm    Post subject: What solder adn why Reply with quote  Mark this post and the followings unread

I am building a lot modules for my "dream synthesizer" (long story) including a Steiner filter (thanks Ken for the design and PCB's and Michael for the parts kit) and want to do this stuff right.

It's been a long time since I did any serious soldering and have been reading about the latest techniques and tools. But I remain confused. I read a great explanation of why one removs the flux in a different forum but it didn't address choosing a solder/flux combinaiton to begin with.

So,

Flux type:
rosin?
water soluble?
no clean?

Composition:
tin/lead?
lead free?

I just bought a copule of rolls of Kester 245 tin/lead, no clean. I figure I have to use it on non-sealed pots, trimmers, etc. why not the whole board? Really though... why not use it on the whole board?

Thanks,
David

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David M. Ingebretsen, M.S., M.E.
Collision Forensics & Enginering, Inc.

dingebre@3dphysics.net
http://www.xmission.com/~dingebre/Synthasystem.html
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Tue Aug 26, 2008 10:01 am    Post subject: Reply with quote  Mark this post and the followings unread

The Kester 245 is fine. It's one of a few that we use at work. (I've used the Kester 44 core myself, for years and years, which I clean with MG Chemicals flux remover spray.)
The 245 is a no clean, but for 1 of our customers we still clean each of the boards, for neatness appearance / etc. Smile

The Kester 951 flux if you need, as well. Smile
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dingebre



Joined: Aug 10, 2008
Posts: 261
Location: Salt Lake City, UT USA

PostPosted: Tue Aug 26, 2008 11:36 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for the feedback.

David

_________________
David M. Ingebretsen, M.S., M.E.
Collision Forensics & Enginering, Inc.

dingebre@3dphysics.net
http://www.xmission.com/~dingebre/Synthasystem.html
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