Tube-number record
6/33AM
0 archive entries
6/33AM is a tube type in the TubeDatabase archive (class: Flying Spot Scanner Tube). Recorded specifications: brand Ferranti, year 1957, construction Triode, socket Duodecal, and maximum plate voltage 25000 V. The archive does not yet hold a photographed example of this type.
BrandFerranti
ClassFlying Spot Scanner Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage25000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 20000 V | — | — | — | 0.15 mA |
Application Notes
The grid should never be positive with respect to the cathode. Shielding may be required to protect against X-ray radiation when operated at high anode voltages.
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