7TO3A
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ClassRadar Tube
BaseInternational Octal
Filament6.3V @ 600mA
Construction
Primary TypeCRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater Notesa.c. or d.c. volts
Absolute Maximum Ratings
Plate Voltage8000 V
Grid 2 Voltage700 V
Grid 1 Voltage-195 V
H-C Voltage125 V
Audio Performance
Key Features
- Aluminium Backed Screen
- Orange Fluorescence
- Magnetic Focus
- Magnetic Deflection
- Long Persistence
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 4000V | - | - | - | - |
| Typical Operation 2 | 7000V | - | - | - | - |
Application Notes
Radar Tube with recessed small ball anode cap and International Octal base.
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