RD300S
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BrandTesla
ClassTransmitting triode
BaseFive-pin sintered base
Construction
Primary Typetriode
Envelopeall-glass
Base Materialsintered glass
Sectionssingle
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage4000 V
Plate Dissipation300 W
Cathode Current450 mA
Audio Performance
Key Features
- Directly heated cathode
- Thoriated tungsten cathode
- Zirconium-coated graphite anode
- Anode top cap
- All-glass design
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF power amplifier or oscillator | 2000V | 6000 | 4000 | 24 | 150mA |
Application Notes
Intended for use as an RF power amplifier or oscillator at frequencies up to 200 MHz, or as an AF amplifier.
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