20AP1, 20AP2, 20AP4, 20AP5
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BrandDu Mont
ClassCathode-Ray Tube
Base12-contact peripheral
Filament2.5V @ 2100mA
Construction
Primary TypeCathode-Ray Tube
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesHeater current tolerance is +/- 0.3 A
Absolute Maximum Ratings
Plate Voltage4000 V
Audio Performance
Key Features
- Designed for television and large screen applications
- Specially designed bulb to withstand atmospheric pressure
- Tested under pressure greater than three atmospheres
- High accelerating potentials
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operation 1 | 2000V | - | - | - | - |
| Operation 2 | 4000V | - | - | - | - |
Application Notes
The tube can be mounted in any position. A protective plate glass is recommended in front of the screen for safety in television receivers.
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