Not exceeding 1 MHz, except 32.768 kHz
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 > Quartz designed for operating frequencies of: > Not exceeding 1 MHz, except 32.768 kHz
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 8541.60.00.20
HC-49S Quartz Crystal 3.579545 MHz
The HC-49S is a through-hole quartz crystal resonator designed for frequencies like 3.579545 MHz, used in consumer electronics such as TV tuners and older computer clocks. It falls under HTS 8541.60.00.20 as a mounted piezoelectric quartz crystal operating below 1 MHz (excluding 32.768 kHz watch crystals). These are precision-tuned for stable oscillation in RF circuits.
AT-Cut Quartz Crystal 4.9152 MHz
AT-cut quartz crystals operating at 4.9152 MHz are mounted piezoelectric devices commonly used in microcontroller clocks and communication equipment. Classified under HTS 8541.60.00.20 for frequencies not exceeding 1 MHz except 32.768 kHz, these provide high stability for timing circuits in industrial controls.
SMD Quartz Crystal 8 MHz
Surface-mount device (SMD) quartz crystals tuned to 8 MHz are mounted piezoelectric components for compact electronics like IoT devices and wearables. HTS 8541.60.00.20 applies to these low-frequency (<1 MHz except 32.768 kHz) crystals with gold electrodes and ceramic housing for reliable oscillation.
HC-18U Quartz Crystal 455 kHz
HC-18U series quartz crystals at 455 kHz are used in IF filters for AM radios and low-frequency receivers. This mounted piezoelectric crystal fits HTS 8541.60.00.20 as its frequency is below 1 MHz and not the excluded 32.768 kHz, providing precise filtering in analog circuits.
Crystal Oscillator Module 16 MHz Quartz
Pre-assembled quartz crystal oscillator modules with 16 MHz fundamental frequency include the mounted quartz die, IC, and capacitors in one package for easy PCB integration. Classified in HTS 8541.60.00.20 when the core quartz operates below 1 MHz (excluding 32.768 kHz), used in embedded systems.
Low-Frequency Tuning Fork Quartz 100 kHz
Tuning fork style mounted quartz crystals at 100 kHz offer low power consumption for sensor timing and medical devices. HTS 8541.60.00.20 covers this frequency range for mounted piezo crystals, excluding only 32.768 kHz real-time clock variants.
MHz Range Quartz Crystal for Audio Circuits 384 kHz
384 kHz quartz crystals are mounted piezoelectric devices used in digital audio sampling and codec timing circuits. This frequency fits HTS 8541.60.00.20 criteria for mounted quartz under 1 MHz, providing synchronization in portable music players.
Industrial Control Quartz Crystal 500 kHz
Ruggedized 500 kHz quartz crystals for PLCs and industrial automation feature high stability and temperature compensation. HTS 8541.60.00.20 classification applies to these mounted piezoelectric devices operating below 1 MHz for harsh environment timing.
Telecom Base Station Quartz 900 kHz
High-precision 900 kHz quartz crystals for cellular base station timing synchronization use oven-controlled mounting. Falls under HTS 8541.60.00.20 as mounted piezo quartz below 1 MHz, essential for network timing stability.
Automotive Grade Quartz Crystal 750 kHz
AEC-Q200 qualified 750 kHz quartz crystals for automotive ECUs and infotainment systems feature vibration-resistant mounting. HTS 8541.60.00.20 covers these low-frequency mounted piezoelectric devices essential for vehicle timing functions.
Medical Device Quartz Crystal 250 kHz
Biocompatible 250 kHz quartz crystals for implantable medical devices and diagnostic equipment use hermetically sealed mounting. Classified HTS 8541.60.00.20 for low-frequency mounted piezo crystals critical for life-support timing accuracy.
Vintage Electronics Quartz Crystal 10.7 MHz IF
10.7 MHz quartz crystals for FM receiver intermediate frequency stages in vintage and restoration electronics. These mounted piezoelectric filters qualify under HTS 8541.60.00.20 for frequencies below 1 MHz, providing narrow bandwidth selectivity.
Sensor Interface Quartz Crystal 200 kHz
200 kHz quartz crystals for sensor signal conditioning circuits in IoT and industrial sensors. HTS 8541.60.00.20 classification for these precision mounted piezoelectric timing elements ensures accurate data acquisition sampling.
Power Supply Control Quartz 600 kHz
600 kHz quartz crystals for SMPS (switch-mode power supply) controller timing in consumer and industrial PSUs. Mounted piezoelectric design fits HTS 8541.60.00.20 for low-frequency operation below 1 MHz.