For the goods of subheading 8533.40, of ceramic or metallic materials, electrically or mechanically reactive to changes in temperature
Electrical resistors (including rheostats and potentiometers), other than heating resistors; parts thereof: > Parts: > For the goods of subheading 8533.40, of ceramic or metallic materials, electrically or mechanically reactive to changes in temperature
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Products classified under HTS 8533.90.40.00
PT100 RTD Temperature Sensor Element
A platinum resistance temperature detector (RTD) element made of ceramic substrate with thin-film platinum resistive track, electrically reactive to temperature changes by altering resistance linearly with temperature. Classified under HTS 8533.90.40.00 as a part for 8533.40 thermistors/resistors, specifically ceramic material reactive to temperature variations. Used in industrial process control for precise temperature measurement.
NTC Thermistor Ceramic Disc
Negative temperature coefficient (NTC) thermistor disc made from ceramic metal oxide materials that decrease resistance with increasing temperature, providing electrically reactive response. Fits HTS 8533.90.40.00 as ceramic parts for 8533.40 thermistors designed for temperature sensing applications. Commonly used in automotive and appliance overheat protection circuits.
Bimetallic Temperature Reactive Strip
Metallic bimetallic strip composed of two bonded metals with different thermal expansion coefficients, mechanically reactive by bending in response to temperature changes. HTS 8533.90.40.00 covers such metallic parts for 8533.40 goods used in thermal switches and thermostats. Essential for mechanical temperature control in HVAC systems.
Platinum Thin-Film RTD Chip
Ceramic substrate platinum thin-film resistance temperature detector chip that changes electrical resistance precisely with temperature for high-accuracy sensing. Specifically for 8533.40 thermistors, qualifying under HTS 8533.90.40.00 due to ceramic construction and electrical reactivity. Applied in medical devices and laboratory equipment.
Thermocouple Compensation Alloy Resistor
Metallic alloy resistor strip designed to match thermocouple reference junction temperature characteristics, electrically reactive to maintain measurement accuracy. HTS 8533.90.40.00 as metallic part for 8533.40 temperature-variable resistors. Used in industrial furnace and kiln monitoring systems.
Ceramic PTC Thermistor Element
Positive temperature coefficient (PTC) ceramic thermistor element that increases resistance dramatically at threshold temperature for self-regulating heating or overcurrent protection. Ceramic material electrically reactive per HTS 8533.90.40.00 for 8533.40 goods. Utilized in motor start circuits and battery protection.
Metallic Thermal Cutout Disc
Bimetallic metallic disc designed to snap-action open circuit at predetermined temperature, mechanically reactive for thermal protection. Qualifies under HTS 8533.90.40.00 as metallic part for 8533.40 temperature-responsive resistors. Standard in household appliance overtemperature safety devices.
High-Temperature Ceramic RTD Foil
Ceramic-based platinum foil RTD element stable up to 1000°C, electrically reactive with precise resistance-temperature relationship. HTS 8533.90.40.00 for ceramic parts of 8533.40 high-temp thermistors. Used in aerospace and turbine temperature monitoring.
Invar-Nickel Bimetal Cantilever Strip
Invar-nickel bimetallic cantilever strip engineered for controlled deflection rates with temperature changes, mechanically reactive. Metallic construction for HTS 8533.90.40.00 parts of 8533.40 thermal resistors. Precision instrument and gauge applications.
SMD NTC Thermistor Chip
Surface-mount device (SMD) NTC thermistor chip on ceramic base, electrically reactive with negative temperature coefficient for compact circuit protection. HTS 8533.90.40.00 as ceramic part for 8533.40 thermistors. Standard in consumer electronics PCBs.