Multilayer Ceramic Feedthrough Insulators
Hermetic feedthrough insulators with multiple gold-plated pins in 99.5% alumina body for vacuum chamber penetrations in semiconductor equipment. Vacuum tight to 1x10^-9 Torr. 8546.20.00.90 for other ceramic electrical insulators.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for vacuum valve applications
Feedthroughs in valves classify as valve appliances parts.
If other electrical machinery parts
Complex assemblies may fall under general electrical equipment parts.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide helium leak rate (<1x10^-9 sccm) and pin-to-pin capacitance specs
• Document pin plating (gold thickness >2.5μm) and braze material
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