3CX4500F3/YU108
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BrandSvetlana
ClassMedium-Mu Industrial Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
SectionsSingle
Filament / Heater
MaterialThoriated-tungsten mesh
Absolute Maximum Ratings
Plate Voltage9000 V
Plate Dissipation6000 W
Grid 1 Voltage-1000 V
Cathode Current3000 mA
Audio Performance
Key Features
- Mesh filament
- Ceramic/metal construction
- Flexible leads
- Vertical mounting
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier or Oscillator, Class C, FM or CW | 8000V | - | - | 22 | 2750mA |
Application Notes
When air is supplied in the anode-to-base direction, a minimum of 5 cfm must be directed into the filament-stem structure to maintain the base seals below 250˚ C.
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