Heater voltage |
6.3V |
Heater current |
200mA |
Max heater-cathode voltage |
+/- 150V |
Max operating anode voltage |
300V |
Max anode voltage (Ia=0) |
500V |
Max anode dissipation |
3W |
Max operating screen voltage |
300V |
Max screen voltage (Ig2=0) |
300V |
Max screen dissipation |
700mW |
Mutual conductance (see
note A) |
2.45mA/V |
Inner amplification factor
(µg1 g2) (see note A) |
30 |
Max grid 1 - cathode resistance
for cathode bias |
500k ohms |
Max grid1 - cathode resistance
for fixed bias |
100k ohms |
Max bulb temperature |
200C |
Max shock (short duration) |
500g |
Max acceleration (continuous
operation) |
2.5g |
Capacitances
(measured with close fitting metal screen) |
Cin (nom) |
4.5pF |
Cout (nom) |
7.0pF |
Ca,g1 (max) |
0.01pF |
(Note A: measured at Va=250V;
Vg2=200V; Vg3=0; Vg1=2.5V; Ia=8.25mA approx.; Ig2=2.1mA approx.)