CV2276 / Z319 secondary emission pentode
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This valve measures 54x19mm overall and has a B9A base. |
Described in the EVS data as a single stage thermionic electron multiplier this is a high
slope pentode for use as a wideband RF amplifier. It incorporates a single stage electron multiplier.
| Heater voltage |
6.3V |
| Heater current |
300mA |
| Max anode voltage (Ia=0) |
600V |
| Max operating anode voltage |
500V |
| Max secondary cathode voltage (Ia=0) |
500V |
| Max operating secondary cathode voltage |
400V |
| Max screen voltage (Ia=0) |
500V |
| Max operating screen voltage |
300V |
| Max anode dissipation - Wa=Ia(Va-Vk2) |
2W |
| Max secondary cathode dissipation - Wk2 = Vk2(Ik1-Ig2) |
2W |
| Max screen dissipation |
0.8W |
| Mutual conductance (Vg2=Vk2=250, Av=350, Ia=15mA) |
19mA/V |
| Capacitances |
| Cae |
3pF |
| Cg1,e |
8pF |
| Ck2,e |
3pF |
| Ca,g1 |
0.05pF |
| Pin |
Function |
| 1 |
G3 + shield |
| 2 |
G1 |
| 3 |
Cathode |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
G3 + shield |
| 7 |
Anode |
| 8 |
Secondary cathode |
| 9 |
G2 |
|
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