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#2A3-TII,PSVANE TUBES,TII-Series.

#2A3-TII,PSVANE TUBES,TII-Series.

    • #2A3-TII,PSVANE TUBES,TII-Series.
    • #2A3-TII,PSVANE TUBES,TII-Series.
    • #2A3-TII,PSVANE TUBES,TII-Series.
    • #2A3-TII,PSVANE TUBES,TII-Series.
    • #2A3-TII,PSVANE TUBES,TII-Series.
  • #2A3-TII,PSVANE TUBES,TII-Series.

    Product Details:

    Place of Origin: China
    Brand Name: PSVANE
    Certification: ROHS
    Model Number: 2A3-TII
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    Detailed Product Description

    TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself. 
     
    2A3-TII is a direct-heated cathode power double triode, it is used in classA1, AB1 amplifier.
     
    Heater
    Uf ………………………2.5 V
    If…………………………2.5 A
     
    Maximum Rating
    Ua…………………………300 V
    Pa…………………………15 W
     
    Rg
    with cathode bias……………………0.5 MΩ
    with fixed bias………………………0.05 MΩ
    Direct Interelectrode Capacitances
    input………………………… 7.5 PF
    output…………………………16.5 PF
    grid to plate…………………………5.5 PF
     
    Static parameter
    Ua………………………… 300 V
    -Ug………………………… 45 V
    Ia………………………… 60 mA
    Gm………………………… 5.25 mA/V
    ri………………………… 0.8 kΩ
    μ………………………… 4.2
    Pout…………………………3.5 W
     
    Recommended Operating Conditions(reference value)
    class A1.single tube.fixed bias.
    Ua………………… 250 V
    -Ug……………………45 V
    RL……………………2.5 kΩ
    Ia(0)…………………60 mA
    Gm……………………5.25 Ma/V
    ri……………………0.8 Kω
    μ……………………4.2
    Pout……………………3.5 W
    Dtot……………………5 %
     
    Push-full.class AB1
    fixed bias                     cathode bias
    Ua……………300   300 V
    -Ug……………62  Rk=780Ω V
    RL……………3     5 kΩ
    üg(pk)………87   110 V
    Ia(0)…………80   80 mA
    Ia(max.sig)…140  100 mA
    Pout……………15   10 W
    Dtot……………2.5  5 %

    #2A3-TII,PSVANE TUBES,TII-Series.

    Contact Details
    Zhongshan Means Fabrication Co.,Ltd

    Contact Person: Mr. David

    Tel: 86-0760-88502953

    Fax: 86-0760-88502952

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