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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


