Tube-number record
TC 04/10
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BrandPhilips
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass
Sectionssingle
Filament / Heater
MaterialOxide coated
Absolute Maximum Ratings
Plate Voltage500 V
Plate Dissipation10 W
Cathode Current60 mA
Audio Performance
Power Output15 W
Key Features
- Oxide coated cathode
- Directly heated
- High frequency amplifier
- Oscillator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| H.F. Amplifier Characteristics | 400 V | 2200 | — | 25 | 25 mA |
| H.F. class C telegraphy (150m) | 500 V | — | — | — | 50 mA |
| H.F. class C telegraphy (15m) | 400 V | — | — | — | 43 mA |
| H.F. class B telephony (150m) | 500 V | — | — | — | 26 mA |
Application Notes
Used as an oscillator or high-frequency amplifier in various classes of operation (B, C).
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