HTS 8504.31 covers power transformers rated ≤1 kVA including PCB-mount isolation transformers, toroidal transformers, and pulse transformers. Wurth Elektronik (Germany) and Talema (Ireland) face 15%. Chinese transformers face 40%. Small PCB-mount transformers for industrial power supplies are widely available from European and Taiwanese sources.
Enter your part number or HTS 8504.31 code directly to get live USITC rates, MPF, and total landed cost.
Calculate Duty →