Name: 6U8A Use: Miniature type used as combined oscillator and mixer tube in color and black-and-white television receivers utilizing an intermediate frequency in the order of 40 MHz. Notes: Requires a miniature 9-pin socket. |
6U8A Medium Mu Triode - Sharp-Cutoff Pentode Characteristics Data Source. . . . . . . . . RC-29 Heater or Filament Voltage . 6.3 volts Heater or Filament Current . 0.45 amperes EIA Base . . . . . . . . . . 9AE Substitutes . . . . 6EA8 6KD8 6GH8 6GJ8 6LM8 |
Capacitances and Design Maximum Values: Section . . . . . . . . . . Pentode C/in. . . . . . . . . . . . 5 pf C/out . . . . . . . . . . . 2.6 pf C/gp. . . . . . . . . . . . 0.01 pf Plate Dissipation . . . . . 3.0 watts Screen Dissipation, . . . . 0.55 watts Maximum Plate Voltage . . . 330 volts Maximum Screen Voltage. . . 330 volts Section. . . . . . . . . . Triode C/in. . . . . . . . . . . . 2.8 pf C/out . . . . . . . . . . . 1.5 pf C/gp. . . . . . . . . . . . 1.8 pf Plate Dissipation . . . . . 2.5 watts Maximum Plate Voltage . . . 330 volts |
Typical Operation as a Receiving Tube Description Ep Eg EgMax Es Is IsMax Ip IpMax Rp TC AF Zl PO ------------------------------------------------------------------------- Triode Class A Amp 125 -1 - - - - 13.5 - - 7500 40 - - Pentode Class A Amp 125 -1 - 110 3.5 - 9.5 - 200K 5000 - - - |