... . 4.ROHS certification EI type transformersPossessing of high permeability,high saturation flux density and loss,especially about at ... , EP, ER, EPC, POT, RM, EEHigh Frequency transformer suitable for EL/CCFL Inverter or DC/DC converterCustomer's ... wave carrier filter, power transformer adn aux-power transformerCustomized designs are accepte . Excellent quality EI type high frequency ferrite inverter ...