Tube-number record
20LF6
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BrandGeneral Electric
ClassBeam Power Pentode
BaseCompactron
Filament20 V @ 600 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesA.C. or D.C. parallel supply
Absolute Maximum Ratings
Plate Voltage990 V
Plate Dissipation40 W
Grid 2 Voltage275 V
Grid 1 Voltage-550 V
Cathode Current500 mA
H-C Voltage200 V
Audio Performance
Key Features
- Beam power pentode
- Designed for horizontal deflection circuits in color television receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Horizontal-Deflection Amplifier | 160 V | — | — | — | 1400 mA |
| Horizontal-Deflection Amplifier | 50 V | — | — | — | 800 mA |
Datasheets
Datasheet: 20LF6.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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