dawn of electronic tube factory treasures tube 2A3C generation 2A3-Z manufacturers direct
dawn of electronic tube factory treasures tube 2A3C generation 2A3-Z manufacturers direct
dawn of electronic tube factory treasures tube 2A3C generation 2A3-Z manufacturers direct
dawn of electronic tube factory treasures tube 2A3C generation 2A3-Z manufacturers direct
dawn of electronic tube factory treasures tube 2A3C generation 2A3-Z manufacturers direct

dawn of electronic tube factory treasures tube 2A3C generation 2A3-Z manufacturers direct

Price:   $100.55

  • Model: ic0A513
  • Shipping Weight: 0.2kg
  • 9999 Units in Stock

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    Type:Logic ICs
    Condition:New






    Name: Treasures 2A3C 2A3
    Category: power tube
    Model: 2A3-Z

    2A3
    Direct heating cathode in the power of the double transistor for AB1, A1 class amplifier.

    Filament heating
    Uf.............................. 2.5 V
    If.............................. 2.5 A

    Limit rating
    Anode voltage.............................. 300 V
    Anode dissipation power.............................. 15 W
    Grid resistance
    Self bias voltage.............................. 0.5 M
    Fixed bias.............................. 0.05 M

    Pole capacitance
    Input capacitance.............................. 7.5 PF
    Output capacitance.............................. 16.5 PF
    Cross road capacity.............................. 5.5 PF

    Static parameter
    Ua.............................. 300 V
    -Ug.............................. 45 V
    Ia.............................. 60 mA
    Gm.............................. 5.25 mA/V
    Ri.............................. 0.8 K
    Mu.............................. Four point two
    Pout.............................. 3.5 W

    Recommended working status (reference value)
    Single class A1 amplifier (fixed bias)

    Ua..................... 250 V
    -Ug........................ 45 V
    RL........................ 2.5 K
    Ia (0)..................... 60 mA
    Gm........................ 5.25 Ma/V
    Ri........................ 0.8 K
    Mu........................ Four point two
    Pout........................ 3.5 W
    Dtot........................ 5%

    Class AB1 push-pull amplifier
    Fixed bias
    Ua............... 300300 V
    -Ug............... 62 Rk=780 V
    RL............... 35 K
    G (PK)......... 87110 V
    Ia (0)............ 8080 mA
    Ia (max.sig)... 140100 mA
    Pout............... 1510 W
    Dtot............... 2.55%