Tube-number record
802
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BrandRCA
ClassR-F Power Amplifier Pentode
Base7-pin (non-miniature)
Filament6.3 V @ 900 mA
Construction
Primary TypePentode
EnvelopeST-16
Base MaterialBayonet
SectionsSingle
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage600 V
Plate Dissipation13 W
Grid 2 Voltage250 V
Grid 1 Voltage-200 V
Cathode Current60 mA
H-C Voltage100 V
Audio Performance
Typical THD8%
Power Output5.5 W
Key Features
- Coated Unipotential Cathode
- Internal Shielding
- CCS and ICAS ratings provided
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| A-F Power Amplifier - Class A | 400 V | 2250 | — | — | 30 mA |
| R-F Power Amplifier - Class B Telephony | 500 V | — | — | — | 25 mA |
Application Notes
D-C resistance in grid circuit should not exceed 10,000 ohms with fixed bias, or 500,000 ohms with cathode bias.
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