This series of products arφπ≈e used as high-frequency switch≠→ing power supply transformers in high-frequency Ω↑switching power supplies, and high-≤'frequency inverter power supγ‌φ©ply transformers in high-fr♥♦φequency inverter power suppl♥ ies and high-frequency in₩>verter welding machines, or fo↕≤r boosting and ignition circ&↔>uits.