RD18YH
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BrandTESLA
ClassTransmitting Triode
BaseWater-cooling jacket
Construction
Primary TypeTriode
EnvelopeLead glass and OFHC copper
Base MaterialCopper
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation18000 W
Cathode Current2.5 mA
Audio Performance
Power Output18000 W
Key Features
- Water-cooled anode
- Directly heated cathode
- Self-supporting tungsten grid
- Vertical mounting
- High power output
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/AF Amplifier | 15000V | - | 4850 | 45 | - |
Application Notes
The TESLA RD18YH is a water-cooled triode designed for use as an oscillator or RF power amplifier at frequencies up to 30 MHz, or as a Class B AF power amplifier.
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