Tube-number record
6GJ5A
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BrandRCA
ClassBeam Power Tube
BaseNovar
Filament6.3 V @ 1200 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT12
Base Materialglass
Sections1
Filament / Heater
Heater NotesPeak heater-cathode voltage: 200V max
Absolute Maximum Ratings
Plate Voltage770 V
Plate Dissipation17.5 W
Grid 2 Voltage220 V
Grid 1 Voltage-55 V
Cathode Current175 mA
H-C Voltage200 V
Audio Performance
Key Features
- NOVAR TYPE
- Horizontal-Deflection-Amplifier
- Black-and-white TV Receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Connection | 150 V | — | — | 4.4 | — |
| Pentode Connection | 250 V | 7100 | 15000 | — | 70 mA |
| Pentode Connection (Zero Bias Peak) | 60 V | — | — | — | 390 mA |
Application Notes
An adequate bias resistor or other means is required to protect the tube in the absence of excitation.
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