TubePad 6.0 Tube Chart

Quick Reference Data

Name: 6J7
Use:
Metal type used as biased detectors or high-gain audio amplifiers in radio receivers.
Notes: Requires an octal socket and may be mounted in any position.


6J7
Sharp-Cutoff Pentode

Characteristics

Data Source. . . . . . . . . RC-15
Heater or Filament Voltage . 6.3 volts
Heater or Filament Current . 0.3 amperes
EIA Base . . . . . . . . . . 7R
Substitutes . . . . 6W7 6K7 6S7 6U7


Capacitances and Design Maximum Values:

Section. . . . . . . . .      Pentode
Cin. . . . . . . . . . . .        7 pf
Cout . . . . . . . . . . .       12 pf
Cgp. . . . . . . . . . . .    0.005 pf
Plate Dissipation. . . . .     0.75 watts
Screen Dissipation . . . .      0.1 watts
Maximum Plate Voltage. . .      300 volts
Maximum Screen Voltage . .      125 volts


Typical Operation as a Receiving Tube                   

Description       Vp  Vg VgMax Vs  Is IsMax Ip IpMax  Rp   TC  AF Zl PO
=======================================================================
Class A Amp      250  -3   -  100 0.5   -    2   -    1M 1225  -  -   -
Class A Amp      100  -3   -  100 0.5   -    2   -    1M 1185  -  -   -
Class A Amp(Tri) 250  -8   -  250   -   -  6.5   - 10.5K 1900  -  -   -
Class A Amp(Tri) 100 -5.3  -  100   -   -  5.3   -   11K 1800  -  -   -
Biased Detector  250 10K   -  100 0.43  -    -   -     -    -  - 500K -