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| Cooling: | Air |
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China made Thyratron NL-5557 Electron tube NL5557 FG17 is a glass structure, spark protection tube. Used for RF heating anti sparking electronic tube Thyristor NL-5557.
| Filament Voltage | 2.5V |
| Filament Current | 5A |
| Plate Dissipation | ----- |
| Maximum operating frequency | 27.12Mhz |
| Cooling | Nature |
The electron tube is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. The type known as a thermionic tube or thermionic valve uses the phenomenon of thermionic emission of electrons from a heated cathode and is used for a number of fundamental electronic functions such as signal amplification and current rectification.
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The electron vacuum power tubes are mainly used for broadcast, communications, radar, industrial heating, semiconductor processing, science and medical applications as below
• Induction and dielectric heating
• Steel pipe production
• X-ray spectroscopy
• Television transmission• High Frequency Cylinder Welding
• High-frequency heating
• Vacuum tube amplifier
• Radar scanning
• Radio communications
• Plastic & textile Processing
• Linear accelerator
• RF radio broadcasting
• MRI medical systems
• Semiconductor processing
