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Filtran - ISDN U-BUS/DNIC Input/Output Transformer

Numéro de référence TEW5318
Description ISDN U-BUS/DNIC Input/Output Transformer
Fabricant Filtran 
Logo Filtran 





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TEW5318 fiche technique
ISDN
www.DataSheet4U.com
U-BUS/DNIC Input/Output Transformer
TEW5318
TEW5318 is designed to inter-
face with the subscriber prem-
ises (NT) and the 2-wire line
side of the central office equip-
ment (LT) in the ISDN system.
TEW5318 meets the require-
ments for the Mitel MT8972 and
MT8971B/72B devices.
Features:
Low profile construction.
Handles 100 mA unbal-
anced line current.
TEW5318-1 is supplied with a
“Flux-band” for additional cross
talk suppression.
MECHANICAL
DOT AT
PIN #1
DEVICE
6
7
1
2
LINE
3
4
DIMENSIONS, Inches (mm)
P/N L W H A B C
S
TEW5318 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)
ELECTRICAL SPECIFICATIONS
Line Impedance
Inductance
Leakage Inductance
(short 2-3 & 1-4)
Winding Resistance
Turns Ratio
(6-7)
(6-7)
(1-2) + (3-4)
(6-7)
(6-7):(1-2 ):(3-4)
DC Capability (Line Side)
Dielectric Strength
Flux-band provided
(1 - 4)
TEW5318
135
30 mH
95 µH
3.5
6.5
4:1:1
100 mA
1500 V rms
no
TEW5318-1
135
30 mH
95 µH
3.5
6.5
4:1:1
100 mA
1500 V rms
yes
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3
Tel : (613) 226-1626 Fax : (613) 226-7124
4-17

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