High Frequency Transformers FEATURE * EI,EE,EF CORE TRANSFORMERS HAVE BEEN WIDELY USED IN SWITCH POWER ... , RESONANT , PUSH-PULL WAY,.APPLYING FOR TYPICAL TRANSFORMER CONSTRUCTION. * EI,EE,EF CORE TRANSFORMERS HAVE A SIMPLE CONSTRUCTION,LOW MANUFACTURE COST ... . * THE COMMON MODEL OF EE CORE TRANSFORMER INCLUDE EE-13,EE-16,EE- 19,EE-22, EE-25,EE-28,EE-35,EE-42,EE-50,EE-55,EE64 ETC. * THE ...