6FJ7
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BrandGeneral Electric
ClassDissimilar Double Triode
BaseE12-70
Filament6.3V @ 900mA
Construction
Primary TypeDouble Triode
EnvelopeT-9
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation10 W
Grid 1 Voltage-250 V
Cathode Current50 mA
H-C Voltage200 V
Audio Performance
Key Features
- Compactron device
- Dissimilar triode sections
- Vertical-deflection oscillator and amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 Oscillator | 250V | 2500 | 9000 | 22.5 | 8mA |
| Section 2 Amplifier | 250V | 7700 | 2000 | 15.4 | 41mA |
Application Notes
Designed for use as a combined vertical-deflection oscillator and amplifier in television receivers. Section 1 for oscillator service, Section 2 for amplifier service.
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