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Conductive Thread - 234/34 4ply (Sale)

Replacement:DEV-11791. This plated silver type thread tarnishes easy so we've replaced it with stainless steel instead, go check it out! This page is for reference only.

Conductive thread is a creative way to connect various electronics onto clothing. This thread can carry current for power and signals. While not as conductive as traces on a printed circuit board (PCB), this thread makes wearable clothing 'wearable'!

This is a plated silver type thread (as opposed to stainless steel). This is a thicker thread with a lower resistance that can be used with hand sewing. Resistance is about 14 Ohms per foot. Spool contains 1oz of thread, about 75 yards.

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Comments

Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • Obeahmon / about 14 years ago / 2

    Manufacturer (I think): Shieldex-US
    Website:
    http://www.shieldextrading.net/sewing_products.html
    Datasheet (234/34 4ply):
    http://www.shieldextrading.net/pdfs/260151023534oz.pdf
    At first I was inclined to say just use AWG standards for current per wire diameter. However I haven't had much luck melting copper with a lighter. This thread melts quite well. I, too, was hoping to find a "don't exceed this" on the datasheet.

  • tag hag / about 13 years ago / 1

    hi sparkfun,
    a recent order of this thread turned out to be the old hairy stuff you discontinued a few years ago. is this product no longer the "new and improved" thread?

  • Member #216071 / about 14 years ago / 1

    I also would like to know the power limit of this thread. Any one has a schematic for heating circuit, please let me know. Thanks

    • tag hag / about 13 years ago / 1

      if you want to make a heating circuit, probably this product is better:
      http://www.sparkfun.com/products/10119

  • Colin.I / about 14 years ago / 1

    I also want to know about using this wire as a heating element for electric gloves...

    • bbotany / about 14 years ago / 1

      Molten plastic upon you if it warms ~enough~! Beware!
      Don't let the wires cross! (You'll shorts and lose your resistance.)
      Watts heat made = (amps^2)50feet of thread.

  • shapr / about 14 years ago / 1

    I'd also like a datasheet.
    Is this thread exposed such that crossed threads will short?
    Or is it insulated and I'll need to remove insulation to make an electrical connection?

    • tag hag / about 13 years ago / 1

      this thread is not insulated, so yes, crossed threads will short.

  • Member #99552 / about 14 years ago / 1

    I agree with the above poster... I really like the idea, but data sheet please!!! :-)

  • electronaddict / about 15 years ago / 1

    What kind of power limitations does this thread have? i.e.- could it be used as a conductive thread heating element in a jacket liner?

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