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Analog Handset Carbon Microphone Cartridge from Japan

Replaceable carbon microphone cartridge for classic line telephone handsets (8518.30.10), containing carbon granules for voice-to-electrical signal conversion. Designed for easy insertion into handset microphone housings. Classified in 8518.90.41.00 as a part of line telephone handsets.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Include historical telephone equipment references proving compatibility with 8518.30.10 classified handsets

Label with exact voltage/current specifications matching legacy telephone systems to avoid general parts classification

Test for electromagnetic compatibility (EMC) as required for telecommunications replacement parts