Gas Sensor Semiconductor Chip from Mexico
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.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• 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