E2666B1
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BrandToshiba
ClassDirect-viewing bistable storage tube
BaseSpecial base
Filament6.3V @ 300mA
Construction
Primary TypeBHD (Black matrix - Hybrid mesh - Dot screen) storage tube
EnvelopeGlass
SectionsDual (Writing Gun and Viewing Gun)
Filament / Heater
Heater NotesWriting gun heater 6.3V, Viewing gun heater 4.2V
Absolute Maximum Ratings
Plate Voltage2200 V
Plate Dissipation6 W
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
Cathode Current30 mA
H-C Voltage125 V
Audio Performance
Key Features
- Black matrix
- Hybrid mesh
- Dot screen
- Flat face
- Electrostatic focus
- Electrostatic deflection
- High contrast
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Writing Gun | 2000V | - | - | - | - |
| Viewing Gun | 200V | - | - | - | 30mA |
Application Notes
Recommended for storage oscilloscope use. Viewing gun heater should use DC supply. Pin 3 of viewing gun heater is internally connected to viewing gun cathode.
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