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TEW4897

Filtran
Part Number TEW4897
Manufacturer Filtran
Description ISDN U-BUS Input/Output Transformer
Published Feb 26, 2007
Detailed Description www.DataSheet4U.com ISDN U-BUS Input/Output Transformer TEW4897 TEW4897 is designed to interface with the subscriber...
Datasheet PDF File TEW4897 PDF File

TEW4897
TEW4897

Overview
www.
DataSheet4U.
com ISDN U-BUS Input/Output Transformer TEW4897 TEW4897 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.
TEW4897 meets the electrical requirements for the SIEMENS PEB20902/IEC (4B3T) device.
Exceeds the requirements of: EN60950 and EN41003.
Applications: • • • Low profile construction.
Up to 50 mA line current.
High insulation between line and equipment side.
MECHANICAL 1 6 DEVICE 2 LINE 7 3 4 DOT AT PIN #1 DIMENSIONS, Inches (mm) P/N TEW4897 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) TEW4897.
chp ELECTRICAL Line Impedance Inductance Leakage Inductance Distributed Capacitance Winding Resistance Turns Ratio Longitudinal Balance DC Capability (Line Side) Dielectric Strength 150 Ω > 3.
7 mH < 12.
5 µH < 110 pF < 2.
5 Ω < 1.
74 Ω 1 : 1.
32 > 60 dB > 55 dB 50 mA 4000 V rms 97/08/25 (6-7) (6-7) (1-4) (1-4) (6-7) (6-7) : (1-4) 1 - 4 KHz 4 - 160 KHz Issue; D Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada.
K2E 7K3 Tel : (613) 226-1626 Fax : (613) 226-7124 4-12 ...


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