High Frequency Transformers FEATURE * EI,EE,EF CORE TRANSFORMERS HAVE BEEN WIDELY USED IN SWITCH ... INVERTER, RESONANT , PUSH-PULL WAY,.APPLYING FOR TYPICAL TRANSFORMER CONSTRUCTION. * EI,EE,EF CORE TRANSFORMERS HAVE A SIMPLE CONSTRUCTION,LOW MANUFACTURE ... COMMON MODEL OF EF CORE TRANSFORMER INCLUDE EI-16,EI-19,EI- 25, EI-28,EI-33,EI-35,EI-40 ETC. * POSSESSING OF HIGH PERMEABILITY,HIGH ...