... ferrite core 1.High quality,low price,fast delivery 2.Lead free and RoHs compliance 3.High efficiency Drum Ferrite Core, DR3W ... in various Linear and radio choke cores/coils modes, also Lead free and RoHs compliance. Applications: Choke coils, Peaking coils, Linearity coils ... in the near future. For more detail info, please feel free to visit our website or inquire us at any of ...