X-Ray Tube Cathode Assembly
Complete cathode unit with focusing cup and filament for electron beam generation in diagnostic X-ray tubes. Designed for 100-150kV operation in mammography systems. Principal X-ray tube part under HTS 9022.90.40.00.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If treated as general electron tube cathode
Chapter 85 covers non-specific thermionic cathodes
If machinery replacement parts context
Could misclassify under general machinery parts heading
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Import Tips & Compliance
• Specify focal spot sizes (0.1-1.0mm); provide emission current curves; FDA reporting for medical device parts
Related Products under HTS 9022.90.40.00
X-Ray Tube Anode Assembly
The anode assembly is the core rotating component inside an X-ray tube where electrons strike to generate X-rays. It is specifically designed as a replacement part for diagnostic and therapeutic X-ray tubes used in medical imaging equipment. Classified under HTS 9022.90.40.00 as a dedicated accessory of X-ray tubes per Chapter 90 note on parts classification.
X-Ray Tube Cooling Fan Module
A specialized cooling fan designed exclusively for dissipating heat from high-power X-ray tubes during prolonged medical imaging sessions. Features precision mounting for integration directly into X-ray tube housings. Falls under HTS 9022.90.40.00 as an accessory dedicated to X-ray tube operation.
X-Ray Tube High-Voltage Cable Connector
High-voltage connector assembly engineered specifically for X-ray tube power feeds, rated for 150kV+ operation with corona-resistant insulation. Used in radiography systems to safely transmit power to tube cathodes. HTS 9022.90.40.00 classification as X-ray tube accessory per parts rules.
X-Ray Tube Filament Transformer
Precision transformer supplying stable low-voltage/high-current to X-ray tube filaments for electron emission control. Matched to medical X-ray tube specifications for emission consistency. Classifies under HTS 9022.90.40.00 as dedicated X-ray tube accessory.
X-Ray Tube Bearing Kit
Magnetic or ball bearing kit designed for rotating anode X-ray tubes, providing oil-free high-speed operation under vacuum. Critical for maintaining anode RPM during fluoroscopy. HTS 9022.90.40.00 as specific X-ray tube replacement part.
X-Ray Tube Vacuum Seal Assembly
High-vacuum ceramic-metal seal maintaining X-ray tube internal vacuum integrity against cathode-anode differential pressures. Designed for CT scanner replacement service. Classifies as HTS 9022.90.40.00 X-ray tube accessory.