This series of products are used as hi倩←gh-frequency switching power✘₩ supply transformers in high-freq✘φ×uency switching power supplies, an÷₽→∞d high-frequency inverter power supp∏±§ly transformers in high-frequency invert₽πer power supplies and high-frequency inverter±♦φ☆ welding machines, or for boosting and iε★×gnition circuits.