VFS Series Common Mode Chokes TDK VFS Series Common Mode Chokes are available with a high magnetic shield construction achieved by a ferrite magnetic material and compatible with high-density mounting. These filters are available in the 5045 version with dimensions of 5.0x5.0x4.5mm or the 6045 with dimensions of 6.0x6.0x4.5mm. The VFS Series Common Mode Chokes come in an impedance range of 52Ω to 1.605kΩ. These common mode chokes operate at a temperature range of -40°C to 105°C. Applications include refrigerators, air conditioners, washing machines, vacuum cleaners and TVs.