This series of produ♦←π∞cts are used as high-freq♣±✔>uency switching power su×αpply transformers in high-frequ$₹ ency switching power supplies ★π, and high-frequency inverter power​₹₹× supply transformers in high-frequencγ☆ &y inverter power supplies and hig₩± ₽h-frequency inverter welding machines, or →♣''for boosting and ignition circuits.