Tube-number record
RD75YH
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RD75YH is a tube type in the TubeDatabase archive (class: Transmitting triode). Recorded specifications: brand TESLA, construction Triode, base Copper / Water cooled, maximum plate voltage 20000 V, and maximum plate dissipation 75000 W. The archive does not yet hold a photographed example of this type.
BrandTESLA
ClassTransmitting triode
Construction
Primary TypeTriode
EnvelopeLead glass / OFHC copper
Base MaterialCopper / Water cooled
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage20000 V
Plate Dissipation75000 W
Cathode Current12000 mA
Audio Performance
Key Features
- Directly heated
- Water cooled anode
- Forced air cooling for terminals
- Corona ring
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier | 20000 V | — | 4150 | 45 | — |
Application Notes
Vertical mounting position, anode down. Each tube is marked with the filament voltage at which emission is 50A.
Datasheets
Datasheet: RD75YH.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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