4-400A Beam Power Tetrode
Beam power tetrode with 400 W plate dissipation for medium-power HF and VHF transmitters and indu…
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4-125A — 4-125A Beam Power Tetrode
Manufacturer: Various
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Product Description
Classic beam power tetrode with 125 W plate dissipation, widely used in HF and VHF exciters and low-power transmitter stages.
Technical Specifications
| Tube Type | Beam Power Tetrode |
|---|---|
| Plate Dissipation | 125 W |
| Max Plate Voltage | 2.0 kV |
| Max Plate Current | 125 mA |
| Screen Voltage | 250 V |
| Transconductance | 20 mA/V |
| Max Frequency | 175 MHz |
| Filament Voltage | 6.3 V |
| Filament Current | 2.0 A |
Applications
- HF exciter stages
- VHF FM low-power transmitters
- Amateur radio amplifiers
- Instrumentation RF oscillators
Key Features
- Compact 125 W design
- Up to 175 MHz operation
- Industry-standard HF/VHF tube
- Long production history