Tube-number record
PE 04/10
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BrandPhilips
ClassPentode
Filament12 V @ 0.65 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage600 V
Plate Dissipation10 W
Grid 2 Voltage300 V
Cathode Current85 mA
Audio Performance
Key Features
- Indirectly heated cathode
- H.F. Power Pentode
- Low Cag1 capacitance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| H.F. Amplifier | 500 V | 7500 | — | 25 | 27.5 mA |
| H.F. Class C Telegraphy | 600 V | — | — | — | 35 mA |
| H.F. Class C Telegraphy (Ig1 > 0) | 500 V | — | — | — | 50 mA |
Application Notes
Primary use as H.F. amplifier or oscillator. Suitable for telegraphy and telephony modulation classes.
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