Tube-number record
7545/XD-45
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BrandCentral Electronic Manufacturers
ClassPulse Tube
Construction
Primary TypeTriode
Envelopeforced-air-cooled
Sectionssingle
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage25000 V
Plate Dissipation6000 W
Cathode Current200000 mA
Audio Performance
Key Features
- Forced-air-cooled
- Thoriated tungsten filament
- High power pulsed service
- Modulator switch tube
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulsed RF power amplifier .03 duty class B | 15000 V | — | — | 30 | 573 mA |
Application Notes
The Central tube type 7545/XD-45 is a forced-air-cooled triode specifically designed for use in pulsed service as an amplifier and modulator switch tube.
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