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CV52 UHF triode

Heater voltage6.3V
Heater current750mA
Max anode voltage200V
Max anode dissipation12W
Amplification factor12
Mutual conductance *8mA/V
Anode impedance *1500 ohms
Average anode current *60mA
Approx efficiency27% at 50cm, 4% at 25cm
Capacitances (including valve pins)
Cgc2.5pF
Cag2.3pF
Cac2.8pF

*: At Va=100, Vg=0 to -2V

Connections: as shown in the picture, the left hand side pin is the anode, the larger pin the grid, then anode (again), heater/cathode, and finally heater on the right.

 CV52
E1231

Inside view Pins E1231