Gas Sensor Semiconductor Chip
A metal-oxide-semiconductor (MOS) gas transducer detecting reducing gases via conductivity changes. HTS 8541.51.00.00 covers these semiconductor-based chemical transducers for air quality monitors and industrial safety. Surface reaction alters carrier concentration for detection.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If gas/smoke analysis instruments
Complete gas analyzers with transducers under Chapter 90.
If non-semiconductor chemical sensors
Electrochemical or catalytic sensors classified as other electrical apparatus.
If industrial machine parts
Sensors integral to pollution control machines under Chapter 84/85 parts.
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Import Tips & Compliance
• Provide gas cross-sensitivity matrices and operating temperature ranges in support docs
• Hazardous material declarations needed for tin/oxide semiconductor materials
• Cal gas certification ensures compliance with environmental sensor standards
Related Products under HTS 8541.51.00.00
MEMS Microphone
A Micro-Electro-Mechanical Systems (MEMS) microphone that converts sound waves into electrical signals using semiconductor technology. It falls under HTS 8541.51.00.00 as a semiconductor-based transducer designed for audio input in smartphones, laptops, and wearables. These devices integrate semiconductor fabrication processes for high sensitivity and miniaturization.
Semiconductor Pressure Sensor
A piezoresistive pressure sensor using silicon diaphragm to transduce pressure into electrical resistance changes. Classified under HTS 8541.51.00.00 for semiconductor-based transducers used in automotive, medical, and industrial applications. It relies on semiconductor doping for strain gauge functionality.
Photovoltaic Transducer Cell
A single semiconductor-based photovoltaic cell functioning as a light-to-electricity transducer, not assembled into panels. HTS 8541.51.00.00 covers such photosensitive semiconductor transducers used in sensors or small power applications. It converts photons directly via p-n junction without module packaging.
Silicon Accelerometer Sensor
A MEMS accelerometer using semiconductor capacitive plates to transduce acceleration into electrical signals. Falls under HTS 8541.51.00.00 as a semiconductor-based motion transducer for smartphones, drones, and automotive stability control. Fabricated via silicon etching for differential capacitance detection.
CMOS Image Sensor
A Complementary Metal-Oxide-Semiconductor (CMOS) image sensor transducing light into digital electrical signals via photosites. Classified under HTS 8541.51.00.00 for semiconductor-based transducers in digital cameras and machine vision. Each pixel acts as an independent photodetector.
Hall Effect Sensor
A semiconductor Hall effect transducer converting magnetic fields into voltage via Hall voltage generation in silicon. HTS 8541.51.00.00 applies to these contactless position/magnetic field sensors used in motors, keyboards, and automotive. Utilizes semiconductor carrier mobility for transduction.