... factory. Features:High frequency transformer -Suitable for AC/DC inverter or DC/AC converter. Customized designs are welcome. Switching power ... (I) type transformer/ T (ring) iron power core and DC filter inductor transformer ●PQ Series: PQ2020, PQ2016, PQ2625, PQ3230, ... VCD/DVD players, audio/visual equipment, OA machines and inverter Typical products . Used in high-density installation with good ...