“Premium EI transformer with laminated E&I core (grain-oriented silicon steel), optimized for low loss (<0.5W/kg@50Hz), high efficiency (98%+), and stable performance. Ideal for power supplies, audio systems, and industrial equipment. Compact design, low EMI, and wide voltage/frequency range (50-400Hz). RoHS-compliant, UL/cUL certified. #EITransformer #PowerSolutions #EnergyEfficiency”