... 10, 13, 16, 19, 22, 25, 28, 30, 33, 35, 40, 42, 50, 55 and 60 EF series: EF-4539, 16 ... EFD Type Transformer Feature: Horizontal installation, multi out-put applied in denseness installation. Application: Low-power switch transformers PQ Type Transformer ... -filter with good electromagnetism concurrent(EMC) quality. Application: Widely used in TV . communiactions, air conditioners. PC fields and so on.. T ...