Hivac CV2254 / XFR2 / 5678
HF pentode
 |
This valve measures 36x10x5mm
overall, plus leads, and has 5 leads. |
EVS data indicates this valve was replaced by the CV4094.
| Filament voltage |
1.25V |
| Filament current |
50mA |
| Max anode voltage |
100V |
| Max screen voltage |
75V |
| Anode current * |
1.8mA |
| Screen current * |
0.5mA |
| Mutual conductance * |
1.1mA/V |
| Anode impedance |
1.0M ohms |
*: At Va=Vg2=67.5; Vg1=0
| Lead |
Function |
| 1 |
Anode |
| 2 |
Screen grid |
| 3 |
Filament -ve, suppressor
grid 1, shield |
| 4 |
Control grid |
| 5 |
Filament +ve, suppressor
grid 2 |
The suppressor grid consists of
two separate deflector plates, one of which is connected to lead 3 and the
other to lead 5. |
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