A50-120W
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BrandTELEFUNKEN
ClassTV-picture tube
BaseJEDEC B 7-208
Filament6.3V @ 300mA
Construction
Primary TypeCRT
EnvelopeGrey Glass
Base Material7-pin special base DIN 44431
SectionsSingle
Filament / Heater
Heater NotesControlled warming-up time
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage550 V
Grid 1 Voltage-150 V
H-C Voltage250 V
Audio Performance
Key Features
- 110° magnetic deflection
- Electrostatic focusing
- Metal-backed screen
- Grey glass
- Bonded shield metal armoring
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal | 20000V | - | - | - | - |
Application Notes
Rectangular TV-picture tube with low-voltage focus. Tube may be used without safety plate due to metal shielding.
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