</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Photocathode Image Converter Tube from Mexico

Image converter tubes directly transform IR/UV photons via photocathodes to visible spectrum electrons for spectrum conversion. HTS 8540.20.4000 explicitly includes image converters as other photocathode tubes. Applied in scientific spectroscopy and covert surveillance.

Duty Rate — Mexico → United States

13.3%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Spectral response range documentation essential; avoids thermal imaging classification

Research institution imports may qualify for duty exemptions