Microwave Magnetron Electron Gun
Electron gun designed for magnetron microwave tubes used in radar and cooking appliances, emitting electrons into the RF interaction space. Classified under HTS 8540.99.4000 as an RF interaction structure component for microwave tubes of 8540.71-8540.79. Critical 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 imported as part of complete microwave oven assembly
Microwave oven parts are classified under electric ovens heading when supplied for retail appliances.
If for radar antenna units incorporating magnetron components
Radar-specific assemblies fall under transmission apparatus rather than standalone tube parts.
If classified as other electrical machines' components
Non-tube RF components shift to general electrical machinery classifications.
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Import Tips & Compliance
• Confirm the electron gun pairs with microwave tubes in 8540.71-79 via supplier specs to meet subheading requirements
• Obtain FCC compliance docs for RF components to avoid customs holds on electromagnetic interference issues
• Declare power ratings accurately, as high-power guns may require export licensing from origin country
Related Products under HTS 8540.99.40.00
CRT Television Electron Gun Assembly
This electron gun assembly is a key component of cathode-ray tube (CRT) televisions, generating and accelerating electron beams to strike the phosphor screen for image display. It falls under HTS 8540.99.4000 as a part specifically designed for thermionic cathode-ray tubes in subheading 8540.71. Used in legacy TV manufacturing and repair.
Traveling Wave Tube (TWT) RF Interaction Structure
RF interaction structure (helix assembly) for traveling wave tubes used in satellite communications and high-frequency amplifiers. Falls under HTS 8540.99.4000 as specified for microwave tubes in 8540.71-8540.79. Enables electron beam interaction for RF signal amplification.
Klystron Tube Electron Gun
Precision electron gun for klystron microwave tubes used in particle accelerators and broadcasting transmitters. HTS 8540.99.4000 covers it as a component for microwave tubes under 8540.71-79. Features high-voltage cathode for focused beam emission.
Oscilloscope Cathode-Ray Tube Electron Gun
Electron gun for high-speed oscilloscope CRTs, providing precise beam deflection for waveform display. Classified in HTS 8540.99.4000 as CRT part under thermionic tubes. Used in test and measurement equipment.
Radar Magnetron RF Interaction Helix
Helix structure for RF interaction in radar magnetron tubes, facilitating microwave generation. HTS 8540.99.4000 applies as RF structure for 8540.71 microwave tubes. Essential for military and aviation radar systems.
High-Voltage Television Camera Tube Electron Gun
Electron gun for television camera tubes (vidicons), accelerating electrons for image sensing. Under HTS 8540.99.4000 as CRT part for imaging tubes in 8540.71. Used in broadcast and industrial cameras.