... will be welcomed. Feature:a. Low frequencyb. Large transmission powerc. Low less, wide range, d. Stable performancee. Low temperature risef. Applied for home ... easily design multi out-put transformers According to various ferric oxide features, ranged from audio to high frequency could be designed transformerEFD ... , EI48, EI57, EI66, EI76, EI96, EI114 and EI150 EI type low frequency transformer