TubePad 6.0 Tube Chart

Quick Reference Data

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  -  -  -