This series of products are∏€ used as high-frequency swit$₩€ching power supply transformers in high-frequency<> switching power supplies, and high-freque®£&÷ncy inverter power supplyΩ ÷ transformers in high-frequ₽≈ ↓ency inverter power supplies and high-freque♦♥€ncy inverter welding machines, or for boosting≈±∏ and ignition circuits.