Use:
Miniature tube type used as push-pull cathode-drive amplifiers or frequency converters in FM and TV broadcast bands.
Notes: Requires a miniature 9-pin socket.
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Name: 12AT7 Use: Miniature tube type used as push-pull cathode-drive amplifiers or frequency converters in FM and TV broadcast bands. Notes: Requires a miniature 9-pin socket. |
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12AT7 High-Mu Twin Triode Characteristics Data Source. . . . . . . . . RC-29 Heater or Filament Voltage . 6.3/12.6 volts Heater or Filament Current . 0.3/0.15 amperes EIA Base . . . . . . . . . . 9A Substitutes. . . . . . . . . 12AZ7 12FV7 Eurpean replacement. . . . . ECC81 JAN replacement. . . . . . . 6060 |
Capacitances and Design Maximum Values: C/in. . . . . . . . . . . . 2.2 pf C/out . . . . . . . . . . . 0.5 pf C/gp. . . . . . . . . . . . 1.5 pf Plate Dissipation . . . . . 2.5 watts Maximum Plate Voltage . . . 300 volts |
Typical Operation as a Receiving Tube Description Ep Eg EgMax Es Is IsMax Ip IpMax Rp TC AF Zl PO ----------------------------------------------------------------- Class A Amp 100 270* - - - - 3.7 - 15K 4000 60 - - Class A Amp 250 200* - - - - 10 -10/9K 5500 60 - - * = Value of cathode bias resistor |