1N4148 Switching Signal Diode

The 1N4148 is a fast-switching silicon diode for signal processing and protection circuits in electronics. Classified under HTS 8541.10.0080 as it is a non-photosensitive diode used in high-frequency switching applications. Excludes light-emitting or photovoltaic functions per chapter notes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+50.0%50%
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8541.10.00Same rate: 50%

If Zener regulator type rather than switching

Zener diodes have specific statistical suffixes within the same heading for voltage regulation.

8543.90Lower: 10% vs 50%

If mounted on circuit boards as assembled electronic components

Parts of electrical apparatus with diodes mounted shift to assembled goods in 8543.

8473.30.51.00Same rate: 50%

If for computer parts assemblies containing these diodes

Computer subassemblies with integrated diodes classify under data processing machinery parts.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide frequency response and switching speed data to confirm non-photosensitive status

Ensure packaging labels distinguish from LEDs to avoid misclassification

Batch test for counterfeit detection, as common with signal diodes; include certificates of authenticity