Use:
Glass tube used in output stage of radio receivers and amplifiers. Requires four- contact socket and should be mounted in a vertical position.
Notes: Requires a 4- pin socket.
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Name: 2A3 Use: Glass tube used in output stage of radio receivers and amplifiers. Requires four- contact socket and should be mounted in a vertical position. Notes: Requires a 4- pin socket. |
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2A3 Power Triode Data Source= RC-15 Heater or Filament Voltage= 2.5 volts Heater or Filament Current= 2.5 amperes EIA Base= 4D Substitutes=2DX4 |
Capacitances and Design Maximum Values C/in. . . . . . . . . . . . 7.5 pf C/out . . . . . . . . . . . 5.5 pf C/gp. . . . . . . . . . . . 16.5 pf Plate Dissipation . . . . . 15 watts Maximum Plate Voltage . . . 300 volts |
Typical Operationas a Receiving Tube Description Ep Eg EgMax Ip IpMax Rp TC AF Zl PO ========================================================================== Class A Amplifier 250 -45 - 60 - 800 5250 4.2 2.5K 3.5 Class A Amplifier 250 750* - 60 - 800 5250 - 2.5K 3.5 PP Class AB1 Amplifier 300 780* 156 80 100 - - - 5K 10 PP Class AB1 Amplifier 300 -62 124 80 147 - - - 3K 15 * = Value of cathode bias resistor |