Tube-number record
RD20XK
0 archive entries
RD20XK is a tube type in the TubeDatabase archive (class: Transmitting triode). Recorded specifications: brand Tesla, construction Triode, base OFHC copper radiator, socket 4-pin, maximum plate voltage 15000 V, and maximum plate dissipation 20000 W. The archive does not yet hold a photographed example of this type.
BrandTesla
ClassTransmitting triode
Base4-pin
Construction
Primary TypeTriode
Envelopehard glass
Base MaterialOFHC copper radiator
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF power amplifier, class C, anode modulation (A3) | 10000 V | 20000 | — | 29 | 2600 mA |
| RF power amplifier or oscillator, class C, telegraphy (A1) @ 25MHz | 10000 V | 20000 | — | 29 | 4600 mA |
| RF power amplifier or oscillator, class C, telegraphy (A1) @ 20MHz | 12000 V | 20000 | — |
Application Notes
The TESLA RD20XK is an air-cooled transmitting triode with 20 kW dissipation. Suitable for use as an oscillator, AF or RF power amplifier at frequencies up to 30 MHz.
Datasheets
Datasheet: RD20XK.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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