Gun Diode (Gunn Diode) for Microwave
Gunn diodes generate microwave frequencies through negative resistance effect, used in radar, police speed guns, and motion detectors. As bulk semiconductor transfer electron devices functioning as diodes, they classify under HTS 8541.10.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| π¨π³China | Free | +50.0% | 50% |
| π²π½Mexico | Free | β | Free |
| π¨π¦Canada | Free | β | Free |
| π©πͺGermany | Free | β | Free |
| π―π΅Japan | Free | β | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mounted in microwave hybrid integrated circuits
Hybrid microwave ICs containing Gunn elements.
If part of complete radar apparatus
Integral to finished radio navigation equipment.
If calibrated for liquid level gauging
Microwave diodes in measuring instruments.
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Import Tips & Compliance
β’ Require FCC/ITAR certifications for microwave devices; declare oscillation frequency precisely
β’ High-value items; use transaction value method with purchase invoices
β’ Classify as diode despite oscillator function per semiconductor definitions
Related Products under HTS 8541.10.00
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1N4148 Switching Diode
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