2C51 Beam Power Triode Tube from Mexico
The 2C51 is a subminiature beam power triode vacuum tube for compact audio output stages in portable equipment. Falls under HTS 8540.89.00.40 as a thermionic triode with beam forming electrodes. Used in military communications and vintage hearing aids.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document subminiature 7-pin construction and rigid construction for rugged applications
• Include maximum plate voltage ratings (250V) and output power specs (150mW)
• Declare MIL-SPEC compliance for military surplus tube imports