TYS4-500
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BrandMullard
ClassR.F. Power Triode
BaseFlexible leads
Construction
Primary TypeTriode
EnvelopeSilica
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage4000 V
Plate Dissipation500 W
Cathode Current750 mA
Audio Performance
Key Features
- Silica envelope
- Thoriated tungsten filament
- Natural cooling
- Suitable for R.F. heating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Amplifier | 4000V | 6000 | 4000 | 24 | 500mA |
| Dielectric Heater | 3590V | - | - | - | 404mA |
Application Notes
Primarily intended as a self-excited oscillator in r.f. heating equipment, but also as an r.f. amplifier in transmitting or industrial equipment.
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