B019-617dB-301-6r0 Common Mode Choke for IEEE1394&USB2.0/3.0 Applications Use. Inductors/Transformer Supplier Factory China, Find details about China Miniature Inductor Air-Coils, SMD Air Coils from B019-617dB-301-6r0 Common Mode Choke for IEEE1394&USB2.0/3.0 Applications Use. Inductors/Transformer Supplier Factory China