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mike[_22_]

On 8/16/2018 1:50 PM, wrote:
On Thursday, 16 August 2018 19:34:46 UTC+1, Ralph Mowery wrote:
In article ,
says...

Where can I buy some small wire ( about # 28 to 30 ) that has the enamel
type of insulation that can be soldered and the heat will melt the
insulation ? There was some on ebay I bought that did not seem to work.
After checking it out, it seems that it needs to be heated to almost 400
deg C and when I tried that, it did not do all that well.

Before I dive into the magnet wire selection swamp, have you
considered using a chemical stripper or abrasive stripper?

Thanks for all the info Jeff.

I guess that wire like I really want is not around.

I am looking for an easy way to build circuits on a perf board. I
thougt it would be easy to just lay some magnet wire on a terminal and
let the solder melt the insulation. Then go to the next connection and
solder that one with out having to mechanically or chemically remove the
insulation. Does not look that type of wire is around.

I fully expect it is. I have enough for a lifetime.

NT

I've used both types.

The stuff that looks like magnet wire has to be tinned before
you use it. My experience was that it took longer to get the insulation
to melt than it would have taken to strip wire-wrap wire.

The meltable plastic coating has the advantage that you don't
have to measure it, You stick the end on the pad and solder it.
Then you set the appropriate position on the second pad and solder that.
You cut it off and go on to the next one...or for wire connected to multiple
places, you just keep laying it down and tacking it to the new location.

It's demonstrably faster for repeated mods to lots of units.
But you can't easily/visually verify that you have a reliable connection.
There's melted plastic in/around the joint.

30 years ago, parts and traces were a lot bigger. Today,
finding a place to solder anything is a challenge.