www.DataSheet4U.com ISDN S-Bus Common Mode Inductor CEP5756 CEP5756 is a 4-winding common mode inductor. It is specifically designed to suppress EMI on the 4-wire S-Bus in the ISDN system. The windings are extremely well balanced in order to provide the required Longitudinal Balance laid down in CCITT I.430. MECHANICAL 1 2 3 4 8 7 6 5 5756.chp ELECTRICAL SPECIFICATION 95/02/05 DCR Inductance Rated current Dielectric Strength (Ohms) (mH) (mA dc) (Volts RMS) each winding each winding.