... .Low magnetics leakage 4.Certificated withTUVISO9001:2000,TUVISO9002 U Iron CoreGeneral Description 1, U iron core is high flux core with low ... a nearly uniform cross-sectional area. 2, The surfaces of U-shaped cores are treated with antirust material. 3, We suggest ... ") is easy to vary and requires no tooling changes Applications:U cores are frequently used in output chokes, power input filters ...