Tube-number record
STW3A
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ClassTelevision Monitor Tube
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage8000 V
Grid 2 Voltage700 V
Grid 1 Voltage125 V
H-C Voltage125 V
Audio Performance
Key Features
- Magnetic Focus
- Magnetic Deflection
- Short Persistence Afterglow
- Any Mounting Position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 4000 V | — | — | — | — |
| Typical Operation 2 | 7000 V | — | — | — | — |
Application Notes
The center of the undeflected unfocused spot will fall within a circle having 9 mm radius concentric with the center of the tube face. Focusing coil positioned approximately 70 mm from reference line.
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