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| ISDN U-BUS/DNIC Input/Output Transformer Applications: * * Up to 50 mA line current. TEW5039 meets the requirements of BS6301 for reinforced insulation, clearance and creepage distances between the line and the device side. TEW5039-1 meets the requirements for pollution class 2. TEW5039 TEW5039 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. TEW5039 meets the electrical requirements for the Mitel MT8972 & MT8971B/72B devices. Certified to EN60950 and EN41003. * MECHANICAL 1 6 DEVICE 2 LINE 7 3 4 DOT AT PIN #1 DIMENSIONS, Inches (mm) P/N TEW5039 L W H A B C S 0.025 (0.64) 0.87 0.83 0.63 0.60 0.20 0.12 (22.0) (21.0) (16.0)(15.3) (5.1) (3.0) TEW5039.chp ELECTRICAL Line Impedance Inductance Leakage Inductance Winding Resistance TEW5039 135 > 30mH < 95 H 1.5 ea 5.5 4:1:1 50 mA 4000 V rms TEW5039-1 135 > 30 mH < 95 H 3.4 ea 6.7 4:1:1 50 mA 4000V rms (6-7) (6-7) (1-2) & (3-4) (6-7) Turns Ratio (6-7) : (1-2) : (3-4) DC Capability (Line Side) (1-4) Dielectric Strength Issue; B 94/12/14 Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3 Tel : (613) 226-1626 Fax : (613) 226-7124 4-15 |
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