Tube-number record
6EJ4-A
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BrandGeneral Electric
ClassCompactron Beam Triode
BaseCompactron
Filament6.3 V @ 200 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12 Glass
Base MaterialButton 12-Pin
SectionsSingle
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage27000 V
Plate Dissipation40 W
Grid 1 Voltage-135 V
Cathode Current1.5 mA
H-C Voltage450 V
Audio Performance
Key Features
- Built-in X-radiation shielding
- High voltage shield to minimize momentary arc effects
- Color TV Shunt Regulator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 25000 V | 200 | — | — | 1 mA |
Application Notes
The 6EJ4-A is intended for use as a shunt regulator in the high-voltage power supply of color television receivers. Pin 9 should be tied directly to ground to minimize arc effects.
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