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    Tantalum Wire

    Description:

    Tantalum Wire, Tantalum Tungsten Alloy Wire (Ta-2.5W, Ta-10W)
    Standard: ASTM B365-98
    Purity: Ta >99.9% or >99.95%

    Application:

    Tantalum wire is mainly used as anode lead in the tantalum capacitors. It can be used for electrolytic capacitor, electrode and rectifier. In addition, tantalum wire is used to make flakes or sewing thread to mend the destructive tissue.
  • Specification:

    Diameter, inch (mm) Tolerance, +/-inch (mm)
    0.010~0.020  (0.254~0.508) 0.0005 (0.013)
    0.020~0.030  (0.508~0.762) 0.00075 (0.019)
    0.030~0.060  (0.762~1.524) 0.001 (0.025)
    0.060~0.090  (1.524~2.286) 0.0015 ( 0.038)
    0.090~0.125  (2.286~3.175) 0.002 (0.051)

    Tantalum wires for capacitor leads

    Grade:DTa1,DTa2

    Chemical Compositions(Maximum Values, ppm)

    Chemical Compositions, Max
    Grade O C Si N Fe H Nb Ni W Mo Ti Cr Ta
    DTa1 0.02 0.005 0.003 0.0035 0.0045 0.0015 0.005 0.0025 0.002 0.002 0.0005 0.0025 99.95
    DTa2 0.02 0.005 0.003 0.0035 0.0045 0.0015 0.005 0.0025 0.002 0.002 0.0005 0.0025 99.95

    Diameter and tolerance(mm)

    Dianmeter 0.13 0.15 0.19 0.20 0.23 0.24 0.25 0.29 0.30 0.35 0.40 0.50 0.60 0.80 1.00
    Tolerance ±0.005 ±0.006 ±0.008
    Ellipticity 0.004 0.005 0.006

    Number of bends

    Grade D/mm The number of bends, not less than
    DTa1 0.13-0.4 3
    >0.4 4
    DTa2 0.13-0.4 4
    >0.4 6

    Mechanical properties

    State Tensile Strength(mp) Elongation(%) Wire curl
    Mid(M) 300-750 10-35 1000
    Semi-hard(Y2) 750-1250 1-5 650
    Hard(Y) >1250 1-5 650

    Electrical Properties

    Current leakage, maximum 0.04uA/cm2

    Tantalum wire for wet capacitor Kc=10~12uF•V/cm2

    Special requirements to be agreed upon by the supplier and buyer

    Tantalum wire for electrical light sources

    Chemical composition
    Sizes/tolerance(mm.max)
    Φ(0.2-2.0mm)±0.01mm;Φ(2.0-3.0mm)±0.02mm

    Grade Chemical Compositions, Max
    C O N H Nb Fe Ti W Mo Si Ni Ta
    Ta1 0.01 0.03 0.01 0.0015 0.20 0.01 0.01 0.05 0.02 0.05 0.01 Balance
    Ta2 0.01 0.03 0.01 0.0015 0.15 0.01 0.01 0.05 0.02 0.05 0.01 Balance

    Special requirements to be agreed upon by the supplier and buyer

    Packaging of Tantalum Wire:

    Our Tantalum wire is clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.

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