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[DPRG] Scrounging for surface mount parts

Subject: [DPRG] Scrounging for surface mount parts
From: Ralph Tenny rten at metronet.com
Date: Sun Oct 7 11:22:49 CDT 2001

Jeffrey:
I used to have a 200-watt soldering iron with a tip that had a 
fintertip-sized flat place. This worked very quickly to heat a small area 
under one specific SMT part. I could then lift just that part; either for 
troubleshooting an ongoing project or salvaging (scavenging).
Ralph

On Sat, 6 Oct 2001, Jeffrey T. Birt wrote:

> I've been saving some old circuit boards hoping to scrounge some parts off
> of them to experiment with, like a few resistors and caps for encoder
> boards.  Due to lack of proper equipment for working with SMT, and  the fact
> that I'm cheap, I thought I would try to use a heat gun to reflow the solder
> and then pick the parts off with a small pair of pliers.  This basically
> stunk, both literally and figuratively,  it's just as easy to use a small
> tipped soldering iron to heat them and pop them off with tweezers.  BUT!  It
> just so happens that this is a great way to remove surface mount chips!
> Heat the board directly behind the chip for 10-15 seconds, heat gun about
> 3/4 inch away from board, and then give the board a tap on the table and the
> chip falls off.  YMMV.
> 
> 
> Jeff Birt
> Halfway, Missouri
> 
> 
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