40 MHz Quartz Crystal Oscillator
A high-frequency quartz crystal oscillator designed for operation at 40 MHz, used in microcontrollers, RF modules, and communication devices. It falls under HTS 8541.60.00.60 as a mounted piezoelectric crystal specifically quartz exceeding 20 MHz operating frequency. These are essential for providing stable clock signals in electronic circuits.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If frequency 10 MHz or greater but not exceeding 20 MHz
Quartz crystals with operating frequencies between 10-20 MHz fall under the specific subheading 8541.60.0075 within the same mounted piezoelectric category.
If assembled into a complete processor or controller module
When the quartz crystal is integrated into semiconductor devices like processors, it may be classified under electronic integrated circuits rather than as a standalone mounted crystal.
If imported as part of an assembled electronic component set
Complete assemblies containing the quartz crystal for electrical apparatus may shift to parts of electrical machines classification.
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Import Tips & Compliance
• Verify frequency specification in manufacturer datasheet exceeds 20 MHz; ensure RoHS compliance for electronics imports; declare as mounted quartz crystal to avoid misclassification as unmounted
Related Products under HTS 8541.60.00.60
25 MHz SMD Quartz Crystal
Surface-mount device (SMD) quartz crystal tuned to 25 MHz for use in consumer electronics like smartphones and wireless routers. Classified under HTS 8541.60.00.60 due to its mounted piezoelectric quartz construction exceeding 20 MHz. Provides precise frequency control for digital signal processing.
50 MHz Fundamental Mode Quartz Resonator
High-precision 50 MHz quartz resonator in HC-49 package for telecommunications equipment and test instruments. Meets HTS 8541.60.00.60 as mounted quartz piezoelectric crystal operating above 20 MHz. Ensures frequency stability in high-speed data transmission.
32.768 kHz Watch Crystal with 100 MHz Reference
Dual-frequency quartz crystal combining 32.768 kHz RTC with 100 MHz reference for IoT devices. Primary classification under HTS 8541.60.00.60 based on the >20 MHz quartz element. Used in wearables and smart sensors requiring multiple timing sources.
100 MHz Oven-Controlled Crystal Oscillator (OCXO)
Temperature-compensated OCXO at 100 MHz for base stations and satellite communications. Falls under HTS 8541.60.00.60 as high-frequency mounted quartz crystal. Provides ultra-stable frequency reference under varying environmental conditions.