12JF5
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BrandGeneral Electric
ClassCompactron Beam Power Pentode
BaseButton 12-Pin (E12-74)
Filament12.6V @ 600mA
Construction
Primary TypeBeam Power Pentode
Envelope1-12 Glass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesHeater warm-up time: 11 seconds
Absolute Maximum Ratings
Plate Voltage770 V
Plate Dissipation17.5 W
Grid 2 Voltage220 V
Grid 1 Voltage-330 V
Cathode Current175 mA
H-C Voltage200 V
Audio Performance
Key Features
- Compactron design
- Beam power structure
- High peak pulse plate voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| DC Average Characteristics | 250V | 7300 | 18000 | 4.4 | 65mA |
| Peak Current Test | 60V | - | - | - | 345mA |
Application Notes
Primarily designed for use as the horizontal-deflection amplifier in color television receivers.
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