<![CDATA[EC21 Product Catalogs - isolating material]]> <![CDATA[ZXY-14 Permalloy Audio Transformer Microphone Transformer for U87 Microphone Audio Boost Transformer]]> <![CDATA[High-Frequency Transformer]]> <![CDATA[Current Transformer Core]]> <![CDATA[SG Dry Type Step Up Down 220V 380V To 110V 208V 380V 480V Isolation Transformer]]> <![CDATA[Audio Power Transformer]]>