12FP7
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BrandResearch Enterprises, Ltd.
ClassCathode Ray Tube
Base12 Pin Diheptal
Filament6.3V @ 0.6mA
Construction
Primary TypeElectrostatic
EnvelopeJ96D
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesAllowable variation +/- 10%
Absolute Maximum Ratings
Plate Voltage4400 V
Grid 2 Voltage2200 V
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic Focusing
- Electrostatic Deflection
- Di-Dz trace alignment
- Metal Bulbs Contact (Cap)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 2000V | - | - | - | - |
| Condition 2 | 4000V | - | - | - | - |
| Condition 3 | 3000V | - | - | - | - |
| Condition 4 | 4000V | - | - | - | - |
Application Notes
Anode #2 voltage should not be less than 2000 volts for adequate brilliance and definition.
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