Thoriated Tungsten Wire 0.5mm (.020") x 1'

  • Part: W-W99TH1-020-1
  • Weight: 0.06kgs
  • 16 Units in Stock
  • Manufactured by:


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Heavy-gauge research-grade, thoriated tungsten wire, sold by the foot and cut to length. Material certification is available on request.

  • Material: Tungsten 99%, Thorium 1%
  • Diameter: .50mm ±.01 (.020" ±.0005)
  • Length: 1' (304mm) min. (cut-to-length)
  • Electrical Resistance: 0.3035 Ω/m
  • Temper: Annealed
  • Finish: Carburized (thin)
  • COO: United Kingdom

Thoriated tungsten offers excellent electron emission characteristics and an extremely long service life. Filaments must be activated before service (see this article). Please contact us if you have specific requirements. We can also provide filament assemblies in various configurations.

This product was added to our catalog on Friday 04 August, 2017.

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