SHBC Coils KEMET SHBC Coils are normal mode chokes with Fe-Si-Al dust cores, which are characterized by low core loss and high-frequency drive. These devices offer a wide variety of characteristics that are useful in various fields such as DC-DC converter and normal noise countermeasures. KEMET SHBC Coils are ideal for several applications, including switching power supply outlets, DC-DC converters, phase compensation, and boost converters, as well as normal mode noise countermeasures.