Other
Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals; parts thereof: > Mounted piezoelectric crystals > Other
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 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8541.60.00.80
Quartz Crystal Oscillator 32.768 kHz
A small surface-mount quartz crystal oscillator operating at 32.768 kHz, used in real-time clocks for microcontrollers and watches. It consists of a piezoelectric quartz crystal mounted between metal electrodes on a ceramic base with frequency-determining circuit elements. Classified under HTS 8541.60.0080 as a mounted piezoelectric crystal, other than those for specific frequency uses.
SMD Quartz Crystal 12 MHz
Surface-mount device (SMD) quartz crystal resonator tuned to 12 MHz for use in microprocessors and communication devices. The piezoelectric quartz is hermetically sealed in a ceramic package with gold electrodes. Falls under HTS 8541.60.0080 as other mounted piezoelectric crystals used for frequency control.
TCXO Temperature Compensated Crystal Oscillator
Temperature Compensated Crystal Oscillator (TCXO) with mounted quartz crystal providing stable frequency output over -40°C to +85°C range. Used in GPS modules and base stations. HTS 8541.60.0080 covers this as other mounted piezoelectric crystals with compensation circuitry.
Ceramic Resonator 4 MHz
Leadless ceramic resonator containing piezoelectric ceramic crystal element operating at 4 MHz for microcontroller clocks. Mounted in surface-mount package. Classified in 8541.60.0080 as other mounted piezoelectric crystals (ceramic-based).
VCXO Voltage Controlled Crystal Oscillator
Voltage Controlled Crystal Oscillator (VCXO) with mounted quartz crystal allowing frequency adjustment via control voltage. Used in telecom PLL circuits. HTS 8541.60.0080 for other mounted piezoelectric crystals with voltage control.
SAW Surface Acoustic Wave Filter Crystal
Surface Acoustic Wave (SAW) device using piezoelectric substrate for RF filtering at cellular frequencies. Mounted interdigital transducers on quartz or lithium niobate. 8541.60.0080 as other mounted piezo crystals for filtering.
Crystal Filter 455 kHz IF
Monolithic crystal filter using multiple mounted quartz crystals coupled for 455 kHz intermediate frequency selectivity in radio receivers. Provides narrow bandwidth filtering. Classified under HTS 8541.60.0080 as other mounted piezoelectric crystals.
Pressure Sensor Piezoelectric Crystal
Mounted piezoelectric crystal transducer converting pressure variations to electrical signals for industrial monitoring. Used in hydraulic systems. HTS 8541.60.0080 covers mounted piezo crystals functioning as transducers.
Automotive Airbag Igniter Crystal
Piezoelectric crystal mounted in automotive airbag igniter squib for reliable high-voltage pulse generation upon crash sensor activation. Meets automotive vibration standards. 8541.60.0080 for mounted piezo crystals in safety devices.
Medical Ultrasound Transducer Crystal
Piezoelectric crystal element mounted in focused housing for medical ultrasound imaging probes. Converts electrical signals to 3-15 MHz acoustic waves. HTS 8541.60.0080 as mounted piezo crystals for transducers.