FILTRAN TEW5252-1

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