Tube-number record
PC 03/3
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BrandPhilips
ClassTransmitting Pentode
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage125 V
Cathode Current25 mA
Audio Performance
Power Output3.5 W
Key Features
- Oxide-coated filament
- High electron emission
- No neutralization required
- Suppressor grid for modulation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| H.F. Klasse-C | 300 V | 1400 | — | 3.3 | 25 mA |
Application Notes
Specifically designed for high frequency Class-C amplification and various modulation methods (Anode, Screen, and Suppressor grid).
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