... 3.EMI cores 4.Composite:NiZn material,Fe2O3. soft magnet for EMI filter 1. Basic parameters (1) grabe:Y20 ... magnetic core is compact,high performance and also easy for installation.(2) as sensor core and instrumentation core ... to use for high frequency choking canceling of parasitical oscillation and noise ... Term:L/C,T/T,western union. soft magnet for EMI filter