Y654
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BrandEIMAC division of Varian
ClassPlanar Triode
BaseCoaxial special
Filament6.3V @ 1300mA
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialOxide Coated
Warm-up Time60s
Heater NotesUnipotential cathode
Absolute Maximum Ratings
Plate Voltage10000 V
Plate Dissipation300 W
Grid 1 Voltage-200 V
Cathode Current9000 mA
Audio Performance
Key Features
- Rugged planar triode
- Arc-resistant cathode
- Frequency up to 3.0 GHz
- Ceramic/metal construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Pulsed Amplifier | 4000V | 50000 | - | 135 | 1800mA |
Application Notes
The Y654 may be used as an amplifier, oscillator, or frequency multiplier in CW, grid- or plate-pulsed modes. Supplied without radiator; may be conduction, convection, heat sink, or liquid cooled.
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