2N3904 NPN RF Transistor from China

The 2N3904 is a general-purpose NPN silicon transistor commonly used in RF amplification and switching circuits, with an operating frequency exceeding 100 MHz and dissipation rate under 1W. It falls under HTS 8541.21.00.75 due to its transistor function, low power dissipation, and high-frequency capability for applications like FM radios and wireless devices.

Duty Rate — China → United States

50%

Rate breakdown

9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Verify datasheet confirms dissipation <1W and frequency ≥100 MHz to avoid reclassification

Include manufacturer specs and test reports in documentation for CBP review

Beware of mislabeling as general transistors (8541.21.00.00), which have different rates