Tube-number record
3CW20,000H3
0 archive entries
3CW20,000H3 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Eimac, year 1965, construction Triode, base Metal/Ceramic, socket Special / none, maximum plate voltage 12000 V, and maximum plate dissipation 20000 W. The archive does not yet hold a photographed example of this type.
BrandEimac
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeCeramic-metal
Base MaterialMetal/Ceramic
SectionsSingle
Filament / Heater
MaterialThoriated-Tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C (Filtered DC) 7kV | 7000 V | — | 720 | 20 | 4000 mA |
| Class-C (Filtered DC) 10kV | 10000 V | — | 1270 | 20 | 4000 mA |
Application Notes
The anode is conservatively rated at 20kW dissipation with low water flow. Input of 40kW is permissible up to 90MHz. Usable up to 140MHz with reduced plate voltage (7000V).
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