High-Temperature Ceramic RTD Foil
A high-temperature ceramic RTD foil, consisting of a platinum foil element on a ceramic substrate, that provides precise resistance changes with temperature up to 1000°C. This foil is electrically reactive to temperature and is designed for use in wirewound variable resistors of tariff item 8533.40.00, particularly in high-temperature sensing applications. Its ceramic material and thermal electrical reactivity qualify it under this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the foil is part of a complete variable resistor
Complete wirewound variable resistors are classified under the parent heading.
If the foil is not specifically for goods of 8533.40.00
Other resistor parts not meeting the thermal-reactive criteria fall under the 'Other' sibling item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the RTD foil is intended for use in variable resistors of 8533.40.00; if it is a standalone sensor, it may be classified under another heading
• Provide technical specifications showing the platinum resistance-temperature curve and ceramic substrate details for CBSA
• Ensure the foil is not part of a complete sensor assembly, which could alter classification
Related Products under Tariff item 8533.90.10
Bimetallic Temperature Reactive Strip
A bimetallic temperature reactive strip, composed of two bonded metals with different thermal expansion coefficients, that bends mechanically in response to temperature changes. This strip is designed as a component for wirewound variable resistors (including rheostats and potentiometers) of tariff item 8533.40.00, where its temperature-sensitive mechanical action adjusts resistance. Its metallic construction and thermal reactivity qualify it under this tariff item for parts of ceramic or metallic materials.
Ceramic PTC Thermistor Element
A ceramic PTC thermistor element made of positive temperature coefficient ceramic material that sharply increases resistance at a threshold temperature, providing self-regulating heating or overcurrent protection. This element is electrically reactive to temperature changes and is intended as a component for wirewound variable resistors of tariff item 8533.40.00. Its ceramic construction and thermal electrical reactivity qualify it under this tariff item.
Invar-Nickel Bimetal Cantilever Strip
An invar-nickel bimetallic cantilever strip engineered for controlled deflection rates with temperature changes, providing mechanical reactivity for thermal compensation in variable resistors. This strip is designed for use in wirewound variable resistors of tariff item 8533.40.00, where its bending action adjusts resistance. Its metallic construction and mechanical thermal reactivity qualify it under this tariff item.
Metallic Thermal Cutout Disc
A metallic thermal cutout disc, made of bimetallic material, designed to snap-action open a circuit at a predetermined temperature for thermal protection. This disc is mechanically reactive to temperature and is intended for use in wirewound variable resistors of tariff item 8533.40.00, where it acts as a thermal safety component. Its metallic construction and mechanical thermal reactivity qualify it under this tariff item.
NTC Thermistor Ceramic Disc
An NTC thermistor ceramic disc, made from ceramic metal oxide materials, that decreases resistance with increasing temperature, providing electrically reactive temperature sensing. This disc is designed for use in wirewound variable resistors of tariff item 8533.40.00, where its resistance-temperature relationship adjusts circuit behavior. Its ceramic construction and electrical thermal reactivity qualify it under this tariff item.
Platinum Thin-Film RTD Chip
A platinum thin-film RTD chip on a ceramic substrate, which changes electrical resistance precisely with temperature for high-accuracy sensing applications. This chip is electrically reactive to temperature and is designed for use in wirewound variable resistors of tariff item 8533.40.00, particularly in precision instrumentation. Its ceramic material and thermal electrical reactivity qualify it under this tariff item.