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 R_{A}=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