WÜRTH Elektronik, represented in Australia by Westek Electronics , offers a range of ferrite beads to solve EMI problems. The products include the CBF series of seven basic frequency response characteristic groupings with impedance curves to 2GHz. It also includes five-hole ferrite beads.
The range includes the Star-Tec round cable snap-on, the Star-Gap defined air-gap, the Star-Ring no-spring no air-gap snap-on, and the Star-Flat suitable for ribbon cable ferrites.
Other available devices include ferrite sleeves, rings, split-cores (with nylon clamp), snap-in ferrites with adhesive pad, elongated ferrite cores for ribbon cables.
A range of toroids, axial ferrites and beads are alsoavailable. All Würth Elektronik products are supported by detailed impedance-frequency characteristics.