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High Temp Enamelled Copper Wire?

Discussion in 'Electronic Design' started by Syd Rumpo, Apr 10, 2013.

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  1. Syd Rumpo

    Syd Rumpo Guest

    Anyone know of a - preferably UK - source for small quantities of
    enamelled copper wire for use up to 220'C ?

    Just a few metres of around 0.25 and 0.8mm diameter would suffice.

    Cheers
     
  2. Bill Sloman

    Bill Sloman Guest

    http://wires.co.uk/acatalog/ml_ec_wire.html

    They certainly sell small quantities, though 500grm's is probably
    going to be more than a few metres.

    I've bought stuff from them, though mostly via

    http://www.scientificwire.com/acatalog/search.html

    Farnell does regular enamelled copper wire, but it doesn't seem to
    have any high temperature enamelled wire.
     
  3. amdx

    amdx Guest

  4. Syd Rumpo

    Syd Rumpo Guest

    Thanks, Bill, I had looked there, but nothing close enough to the right
    sizes, however on looking again I notice they say to contact them as
    they have more, so I have and we'll see.

    It's an interesting site, lots of pretty things.

    The frustrating thing is that a former employer had loads of the stuff,
    which I often used but never took any heed of whence it came, and I
    can't really ask for commercial reasons.

    Cheers
     
  5. I don't think it helps you at all, but Sandvik sells small quantities
    through Amazon.com, and they have 240°C rated wire (polyimide
    insulation). Shipment cost to Europia seems to be in the 100 GBP
    range.
     
  6. Bill Sloman

    Bill Sloman Guest

    It might - but it depends how deep Syd's pockets are and how desperate
    he is for specific wire gauges.

    I was paying close to 50 GBP for my 500 gram reels of wire, so 100 GBP
    might not be so unreasonable if it gave you access to something closer
    to the exact wire gauge.
     
  7. Syd Rumpo

    Syd Rumpo Guest

    Actually, wires.co.uk just emailed to say they have some 0.71mm (close
    enough) which they'll put on the website tomorrow, so problem solved,
    thanks.

    It didn't occur to me to look at Amazon though. Odd that a supplier of
    such esoteric stuff should sell through them.

    Cheers
     
  8. Amazon, and Amazon Supply are becoming formidable challengers to the
    established old-line distributors.
     
  9. A good hint, thanks. No EU branch yet, it seems.

    About the OP's wire source request: I have also gotten wire through
    scientificwire.com, which Bill hinted about. Polyester insulated
    Cu wire, which is good for cryogenic use, too, although it is
    originally
    intended for high temperatures. They also used to sell prefabricated
    twisted pair. Now, it's not too difficult to twist ones own pairs,
    but the prefabricated stuff had differently colored enamels on the
    two wires, which was nice for polarity detection.

    Regards,
    Mikko
     
  10. josephkk

    josephkk Guest

    Sounds like samples is the way to go. Look up "transformer wire
    insulation class" (or a variant) to find which variant suits your
    application best.

    ?-)
     
  11. Military surplus web sites.
     
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