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TEW5252

Description
ISDN U-BUS Input/Output Transformer
File Size21KB,1 Pages
ManufacturerFILTRAN
Websitehttp://www.filtran.com/
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TEW5252 Overview

ISDN U-BUS Input/Output Transformer

ISDN
U-BUS Input/Output Transformer
TEW5252
TEW5252-1 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.
TEW5252-1 meets the electrical
requirements for the
AT&T T7262
device, and com-
plies with the ANSI T1.601 speci-
fication.
Designed to meet the require-
ments BS6301 for reinforced in-
sulation, clearance and creepaga
distances.
MECHANICAL
Applications:
High performance ANSI
2B1Q line code.
Low profile construction.
Up to 30 mA line current.
Exceeds the requirements of
EN60950
and
EN41003.
1
6
DEVICE
2
3
LINE
4
7
DOT AT
PIN #1
DIMENSIONS, Inches (mm)
P/N
TEW5252
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)
ELECTRICAL SPECIFICATIONS
TEW5252.chp
TEW5252-1
Devices
Line Impedance
Inductance
(1-2)+(3-4)
(6-7)
(1-2) + (3-4)
(6-7)
Turns Ratio
DC Capability (Line Side)
Dielectric Strength
(6-7):(1-2 ):(3-4)
(1 - 4)
Leakage Inductance
(short 2-3 & 1-4)
Winding Resistance
135
80 - 120 mH
< 35
µH
13.5 - 16.5
4 - 5.5
1 : 1.25 : 1.25
30 mA
4000 V rms
Issue: B
94/12/14
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3
Tel : (613) 226-1626 Fax : (613) 226-7124
4-16

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Description ISDN U-BUS Input/Output Transformer ISDN U-BUS Input/Output Transformer
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