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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 54090 55080
Reverse grid current, mkA £5 £5
Dissipate cathode-heater current, mkA £150 £150
Mutual conductance, mA/V 39 40
Internal resistance, Ohm 130 80120
Vibration noise (by RA=2 kOhm), mV no more 500 no more 500
Inter electrode capacitance, pF: input 30 307
output 10.5 10.5
transfer 31 31
Operation time, h 1000 750

Limited operating values

Type 6C33C, 6C33C-B
Filament voltage, V 5.76.9 or 11.313.9
Anode voltage, V 250450
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, 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, 60 to +100 60 to +100
Relative humidity at up to 40C, % 98 98

Plate-grid and plate curves of 6C33C

Plate-grid and plate curves of 6C33C-B