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9001.10.00.30/Hybrid SMF/MMF Transition Fiber/Japan

Hybrid SMF/MMF Transition Fiber from Japan

Specialty tapered optical fiber providing mode-field diameter transition between single-mode and multimode fibers for hybrid voice/data/video network interfaces in data centers. Enables low-loss SMF-to-MMF connections. Classified HTS 9001.10.0030 for communication use.

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%
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Import Tips

• Include mode-field diameter taper profile specifications

• Document insertion loss <0.3dB for 1310/1550nm SMF to 50/125MMF

• Specify fusion splicing window and pull-proof strength