[time-nuts] I love the smell of tantalum in the morning

Nathan Johnson jdownj at gmail.com
Sun Nov 6 15:50:50 EST 2016


I run two Hakko 936 stations with 907 irons. I use the wide chisel tips, 
and just heat both sides at once. The two Hakko stations are cheaper than a 
set of Metcal tweezera(although I would love a set of those)
Nathan KK4REY

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On Sun, Nov 6, 2016 at 14:42, Bryan _ <bpl521 at outlook.com> wrote:
If the SMD is small enough I have found it easy to remove by just applying 
a blob of solder to one end, this will quickly gap over to the other lead, 
and the SMD component and solder ball just slides off the board. Only works 
on the very small components though.


-=Bryan=-


________________________________
 From: time-nuts <time-nuts-bounces at febo.com> on behalf of Robert 
LaJeunesse <lajeunesse at mail.com>
Sent: November 6, 2016 8:42 AM
To: time-nuts at febo.com
Subject: Re: [time-nuts] I love the smell of tantalum in the morning

Another admittedly low-budget way of heating both ends is to use a heat 
spreader. Solder a short piece of braid to one component end, fold it over 
the top of the part, and solder it to the other end. Heat the braid in the 
center, add solder until both ends are melted, and lift the combination off 
with tweezers. Sometimes a heavy enough copper wire bent around the part 
will also work as the heat spreader..

Bob LaJeunesse

 > Sent: Saturday, November 05, 2016 at 9:05 PM
 > From: "Andy ZL3AG via time-nuts" <time-nuts at febo.com>
 > To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
 > Subject: Re: [time-nuts] I love the smell of tantalum in the morning
 >
 >
 > Yes. Unless you're grinding it away with a dremel (which I wouldn't 
recommend as far as chemical dust is concerned), nibbling away with 
sidecutters would be trying to force the 2 ends of the component apart. 
That may be stressing the pads they're soldered to, leading to a possible 
pad lifting at some stage.
 >
 > Any of the methods mentioned that heat both ends at the same time - 
allowing the component to be wiped off the board - would have to be the 
best, stress-wise.
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