TubePad 6.0 Tube Chart

Quick Reference Data

Name: 12BH7A
Use:
Miniature tube type used as combined vertical-deflection amplifier and oscillator, and as horizontal-deflection oscillator in tv receivers and in phase- inverter and multivibrator circuits.
Notes: Requires a miniature 9-contact socket.


12BH7A
Characteristics
Data Source. . . . . . . . . RC-29
Heater or Filament Voltage . 6.3/12.6 volts
Heater or Filament Current . 0.6/0.3 amperes
EIA Base . . . . . . . . . . 9A
Substitutes . . . . 12DW7 12AU7 12AZ7
 



Capacitances and Design Maximum Values:

Section . . . . . . . . . .     Triode 1
C/in. . . . . . . . . . . .      3.2 pf
C/out . . . . . . . . . . .      0.4 pf
C/gp. . . . . . . . . . . .      2.6 pf
Plate Dissipation . . . . .      3.5 watts
Maximum Plate Voltage . . .      300 volts
Maximum Plate Current . . .       20 ma

Section . . . . . . . . . .     Triode 2
C/in. . . . . . . . . . . .      3.2 pf
C/out . . . . . . . . . . .      0.5 pf
C/gp. . . . . . . . . . . .      2.6 pf
Plate Dissipation . . . . .      3.5 watts
Maximum Plate Voltage . . .      300 volts
Maximum Plate Current . . .       20 ma





Typical Operation as a Receiving Tube                   

Description    Ep    Eg EgMax Es Is IsMax   Ip IpMax   Rp   TC   AF Zl PO
=========================================================================
Class A Amp   250 -10.5    -   -  -     - 11.5     - 5.3K 3100 16.5  -  -
(each section)