Amorphous C-type iron core solar photovoltaic inverter, medium and high frequency switching power supply transformer, main transformer in uninterruptible power supply and other product fields Features: + High saturation magnetic induction - reduce core volume; + Rectangular structure---convenient for coil assembly; + Core opening - excellent resistance to DC bias saturation; + Low loss - reduce temperature rise (1/5 - 1/10 of silicon steel); + Good stability - can work at -55-130 ℃ for a long time.