6C33C-Bはロシア製の真空管であり、電力増幅用双三極管に分類される。


Electrical Parameters Basic Data


Heater voltage,V:

with heaters connected in series ...........................12.6

with heaters connected in parallel ...........................6.3

Heater current,A:

with heaters connected in series .....................2.8-3.6

with heaters connected in parallel ...................5.6-7.2

Anode voltage,V ..............................................................120

Inverse grid current,μA, at most .................................5

Anode current, mA ...............................................450-630

Mutual conductance, mA/V ..................................28-50

Internal resistance, Ω, at most ................................130

Cathode heating time, s, at most .............................120

Interelectrode capacitance, pF:

input .................................................................................23-37

output ..........................................................................9.5-11.5

transfer ...........................................................................24-38

Cathode-heater capacitance, pF ................................70

Electrical parameters over 1,000h service

anode current, mA ...........................................................340

inverse grid current, μA .................................................15