(PDF) TEW4914 Datasheet - ISDN U-BUS Input/Output Transformer

Número de pieza	TEW4914
Descripción	ISDN U-BUS Input/Output Transformer
Fabricantes	Filtran
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No Preview Available ! ISDN www.DataSheet4U.com U-BUS Input/Output Transformer TEW4914 is designed to inter- face with the subscribers prem- ises (NT) and the 2- wire line side of the Central Office Equip- ment (LT) in the ISDN Network. TEW4914 & -1 meet the electri- cal requirements for the MOTOROLA MC145472 de- vice. Applications: • Low profile construction. • Up to 50 mA line current. • TEW4914-1 is certified to EN60950 and EN41003. TEW4914 MECHANICAL DOT AT PIN #1 ELECTRICAL Line Impedance Inductance Leakage Inductance Winding Resistance Turns Ratio Longitudinal Balance DC Capability (Line Side) Dielectric Strength (1-4) (6-7) (1-2) & (3-4) (6-7) (6-7) : (1-4) 1 - 4 KHz 4 - 160 KHz (1-4) DEVICE 6 7 1 2 LINE 3 4 DIMENSIONS, Inches (mm) P/N L W H A B C S TEW4914 0.87 0.83 0.63 0.60 0.20 0.12 0.025 (22.0) (21.0) (16.0)(15.3) (5.1) (3.0) (0.64) TEW4914 135 Ω > 25 mH < 20 µH 3.8 Ω 2.9 Ω 1:2 > 60 dB > 55 dB 25 mA 1500 V rms TEW4914-1 135 Ω > 25 mH < 20 µH 4.9 Ω 3.3 Ω 1:2 > 60 dB > 55 dB 50 mA 4000 V rms Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3 Tel : (613) 226-1626 Fax : (613) 226-7124 4-13 1 page

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PDF TEW4914 Data sheet ( Hoja de datos )