6C33C, 6C33C-B = 6S33S,
6S33S-V
General
Triode.
Envelope: glass.
Mass 200 g.
Lead diagram

General characteristics
| Type |
6C33C
|
6C33C-B
|
| Filament
voltage, Volt |
6.3
or 12.6
|
6.3
or 12.6
|
| Anode voltage, Volt |
120
|
120
|
| Resistance in cathode
circuit, Ohm |
35
|
35
|
| Type |
6C33C
|
6C33C-B
|
| Filament (heater)
current, mA |
3.2
or 6.6
|
3.3
or 6.6
|
| Anode current, mA |
540±90
|
550±80
|
| Reverse grid current,
mkA |
£5
|
£5
|
| Dissipate cathode-heater
current, mkA |
£150
|
£150
|
| Mutual conductance,
mA/V |
39
|
40
|
| Internal resistance,
Ohm |
130
|
80—120
|
| Vibration noise (by
RA=2 kOhm), mV |
no
more 500
|
no
more 500
|
| Inter electrode capacitance,
pF: input |
30
|
30±7
|
| output |
10.5
|
10.5
|
| transfer |
31
|
31
|
| Operation time, h |
1000
|
750
|
Limited operating values
| Type |
6C33C,
6C33C-B
|
| Filament voltage, V |
5.7—6.9
or 11.3—13.9
|
| Anode voltage, V |
250—450
|
| Grid voltage, V |
-0.5
to –150
|
| Cathode – heater voltage,
V |
300
|
| Cathode current, mA |
350
or 600
|
| Anode dissipation,
W |
45
or 60
|
| Resistance in grid
circuit, Mohm |
0.2
|
| Tubes temperature,
°Ñ |
260
|
Operating environmental
conditions
| Type |
6C33C
|
6C33C-B
|
| Acceleration of vibration
loads, g |
4
|
6
|
| by frequencies, Hz |
10
to 250
|
10
to 300
|
| Acceleration of multiple
impacts, g |
35
|
150
|
| Acceleration of single
impact, g |
--
|
500
|
| Continuos acceleration,
g |
|
100
|
| Ambient temperature,
°Ñ |
–60
to +100
|
–60
to +100
|
| Relative humidity at
up to 40°C, % |
98
|
98
|
Plate-grid and plate
curves of 6C33C



Plate-grid and plate curves
of 6C33C-B

