ZCAT Series Snap Fixing Cable Ferrites. ZCAT Series clamp filters for cable applications are constructed from a unique plastic case to ensure simple, convenient installation. They feature a self-holding mechanism to prevent slippage on cables. ZCAT Series has a ferrite core which provides excellent absorption of high-frequency EMC. They are highly effective as a countermeasure against common mode EMC without adverse effect on signal quality, and have a large core size which prevents saturation during large signal surges.. Applications for the ZCAT series include:. ; Personal computers ; Word processors ; Monitors ; Hard disk drives ; Digital telephones ; Audio devices ; Electronic musical instruments ; Video games ; Copiers ; Facsimiles