J310 N-Channel JFET RF Transistor from China
J310 is an N-channel JFET transistor optimized for RF preamplifiers and converters, with frequency response over 100 MHz and low dissipation under 1W. It matches HTS 8541.21.00.75 as a high-frequency, low-power discrete transistor.
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
• Provide frequency response curves from manufacturer to substantiate ≥100 MHz claim
• Declare exact quantity and value per IC to avoid undervaluation penalties
• Watch for reclassification if sold in bulk for industrial assembly vs retail