7268A
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BrandRCA
ClassDisplay-Storage Tube
BaseB25-216
Filament6.3V @ 600mA
Construction
Primary TypeDisplay-Storage Tube
Envelope5.28-inch diameter glass with integral magnetic shield
Base MaterialPlastic
SectionsTwo writing guns, one viewing gun
Filament / Heater
Heater NotesAll guns
Absolute Maximum Ratings
Plate Voltage11500 V
Grid 2 Voltage200 V
H-C Voltage125 V
Audio Performance
Key Features
- Ruggedized
- Two writing guns
- One viewing gun
- Integral magnetic shield
- Unilaterally interchangeable with type 7268
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Viewing Section | 10000V | - | - | - | - |
| Writing Section | -2400V | - | - | - | - |
Application Notes
For use in military and commercial information-handling displays where rough tube usage may be encountered.
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