EN41003

The EN41003 is one kind of ISDN S interface transformer device that has some points of features:(1)Primary is Line Side; (2)Unbalanced current at TE: D Idc = 1 mA max.; (3)Longitudinal Conversion Loss - 10KHz to 300 KHz: 60 dB min. And materials used in the device of these units are UL94-VO and meet requirements of IEC 695-2-2 needle flame test.

The electrical characteristics of the EN41003 can be summarized as:(1)Open Circuit Inductance: 22 mHy;(2)Leakage Inductance: 15 uHy;(3)Interwinding Capacitance (CW/W): 100 pF;(4)Distributed Capacitance (CD): 80 pF;(5)Primary DC Resistance: 1.96 to 2.65 ohms;(6)Secondary DC Resistance: 3.40 to 4.60 ohms;(7)Isolation (HI-POT): 4.0K VRMS. If you want to know more information about the EN41003, please download the datasheet in www.seekic.com or www.chinaicmart.com .