T953B
0 Tubes in archive
BrandEnglish Electric
ClassRadar Tube
BaseB12A
Filament6.3V @ 0.3mA
Construction
Primary TypeCathode Ray Tube
EnvelopeGlass
Base MaterialPlastic/Phenolic
Sections1
Filament / Heater
Heater NotesSuitable for series or parallel operation
Absolute Maximum Ratings
Plate Voltage15500 V
Grid 2 Voltage600 V
Grid 1 Voltage-250 V
Cathode Current0.3 mA
H-C Voltage200 V
Audio Performance
Key Features
- Aluminised screen
- Magnetic deflection
- Magnetic focus
- Alpha-numeric character display support
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Magnetic Focus | 15000V | - | - | - | 0.05mA |
Application Notes
The focus coil air gap should be approximately 220mm from reference plane. Avoid mounting vertically with screen downwards.
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