ISDN TEW6181 U-BUS Input/Output Transformer TEW6181 is designed to interface with the subscribers premises (NT) and the 2- wire line side of the Central Office Equipment (LT) in the ISDN Network. Features: • Small size • Up to 5 mA line current. TEW681 meet the electrical requirements for the MOTOROLA MC145572 device. MECHANICAL 9 device (sec) 1 2 Line (pri) 8 4 DRILL 0.040" 9 PLACES 10 6 7 5 5 Issue; A 97/11/27 6181.chp TEW6181 ELECTRICAL TEW6181 Line Impedance Inductance Leakage Inductance Winding Resistance Turns Ratio Longitudinal Balance DC Capability (Line Side) Dielectric Strength Filtran Limited Pri. Sec. Pri. Sec. Sec. : Pri. 1 - 4 KHz 4 - 160 KHz Pri. 135 Ω > 28 mH < 20 µH 1 : 1.25 > 60 dB > 55 dB 5 mA 1500 V rms 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3 Tel : (613) 226-1626 Fax : (613) 226-7124 4-30