A59-23W/R
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BrandMullard
ClassTelevision Tube
BaseSpecial / none
Filament6.3V @ 300mA
Construction
Primary TypeDisplay / CRT
EnvelopeReinforced envelope
SectionsSingle
Filament / Heater
Heater NotesSuitable for series or parallel operation
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage1000 V
Grid 1 Voltage-150 V
H-C Voltage250 V
Audio Performance
Key Features
- Direct viewing television tube
- Metal backed screen
- Reinforced envelope
- No separate safety screen required
- Ring trap base
- Electrostatic focusing
- Magnetic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Visual extinction of focused raster (grid modulation) | 20000V | - | - | - | - |
| Visual extinction of focused raster (cathode modulation) | 20000V | - | - | - | - |
Application Notes
X-ray shielding is advisable if operated above 20kV. Surge heater voltage must not exceed 9.5V r.m.s. for series operation. Pin 5 must be connected to the external conductive coating for flashover protection.
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