Tube-number record
3W5000A3
0 archive entries
3W5000A3 is a tube type in the TubeDatabase archive (class: Medium-mu Transmitting Triode). Recorded specifications: brand Eimac, year 1953, construction Triode, base Cylindrical, socket Special / none, maximum plate voltage 6000 V, and maximum plate dissipation 5000 W. The archive does not yet hold a photographed example of this type.
BrandEimac
ClassMedium-mu Transmitting Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeWater-cooled anode
Base MaterialCylindrical
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-C FM or Telegraphy | 4000 V | 20000 | 1000 | 20 | 2500 mA |
| Grounded-Grid Circuit 110 Mc | 4000 V | 20000 | — | 20 | 1800 mA |
| Plate Modulated RF Amplifier | 5000 V | — | 1400 | 20 |
Application Notes
The 3W5000A3 is a water-cooled version of the air-cooled 3X2500A3. A 0.1 henry choke shunted by a spark gap should be connected between the plates and high voltage supply for protection from transients in Class-C FM or Telegraphy service.
0 results