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BrandFerranti
ClassHigh Resolution Cathode Ray Tube
BaseB12A (Duodecal)
Filament6.3V @ 0.3mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage25000 V
H-C Voltage200 V
Audio Performance
Key Features
- Optically flat face
- Phosphor A
- Green fluorescence
- Ultra short persistence
- Metal-backed screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 20000V | - | - | - | - |
Application Notes
X-ray shielding may be required if anode voltage exceeds 16kV.
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