... saturation flux density 4.ROHS certification. EE/EI/EFD transformersPossessing of high permeability,high saturation flux density ... .Various types of transformers available, PQ,CI, UI, EFD, EP, ER, EPC, POT, RM, EEHigh Frequency ... , 42, 50, 55, 60EF series: EF-4539, 16, 20, 25, 32ERL series: ERL-28, 35, 39, 42, ... 34, 39, 44, 49, 54, 59EFD-15, 20, 25, 30The introduction of transformers of our main product: ...