Magnetron Vacuum Tube for Microwave
A vacuum tube that generates microwave signals through velocity modulation of electrons in a magnetic field, used in radar and microwave ovens. Falls under HTS 8540.89.00.80 as an other vacuum tube not specified elsewhere in 8540. Essential component for high-power RF generation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when part of complete microwave oven
Integrated into household appliances, parts shift to 8529 for TV/radio/domestic equipment components.
If for microwave oven installation
Microwave oven parts specifically provided for in 8516.90 if designed for that end-use.
If calibrated for oscilloscopes
Precision tubes for measurement instruments classify under Chapter 90 heading 9030.
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Import Tips & Compliance
• Include frequency range and power output specs to confirm classification as vacuum tube rather than transmitter (8525)
• Ensure export controls compliance for dual-use radar applications under BIS regulations
Related Products under HTS 8540.89.00.80
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Geiger-Muller Counter Tube
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Xenon Flashtube Trigger Tube
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Spark Gap Protective Tube
Gas-filled tube providing overvoltage protection by controlled spark discharge between electrodes. Used in telecom/power systems. HTS 8540.89.00.80 as other gas-filled tubes.
Vacuum Photomultiplier Tube PMT
A vacuum tube containing a photocathode that emits electrons when struck by photons, which are then multiplied to produce a measurable current. Classified under HTS 8540.89.00.80 as a photocathode tube not specifically covered by other subheadings in heading 8540. Used in scientific instruments like scintillation detectors.