CEPT/T1
TEW5721
is designed to be used as an
Input Transformer in the ISDN primary
rate access network with the following
devices:
DS2187
-
Dallas
T 7290
-
AT&T
-
PMC/Sierra PM4341 T1X &
PM6341 E1
TEW5721-1
is designed to be used as
an Output Transformer for:
-
Brooktree BT8069B
LXT310,318,360
-
Level One
MT9075
-
Mitel
TEW5721-2
is designed to be used as
an Input Transformer for:
-
Brooktree BT8069B
LXT310, 318, 360
-
Level One
DS2151Q, DS2153Q
-
Dallas
MT9075
-
Mitel
Input/Output Transformer
TEW5721-3
is designed to be used as an Input
and Output Transformer for:
-
Siemens PEB2254
TEW5721-4
is designed for:
-
PMC-Sierra PM4351
TEW5721-5
is designed to be used as input
transformer requiring turns ratios 1 : 2 or 1 : 1
TEW5721
Features
TEW5721-6
is designed to be used as input
transformer requiring turns ratios 1 : 3
Low cost.
Through Hole and SMD.
For SMD version:
Add letter 'S' after part number.
E.g. TEW5721S-4.TDM Multiplexers.
MECHANICAL
10.7
TOP VIEW
13.0
DIMENSIONS
ARE IN MM.
1.6
10.2
ALL DIMENSIONS
ARE IN MM
3
2.54
DIA O.65
8.6
9.4
4
1.3
1
6
0.7
2.54
5.08
6 5 4
8.7
13.5
1 2 3
WHITE DOT
GRID 2.54 x 2.54
DRILL 1.0 mm
6 PLACES
8.7
Recommended
foot print
TEW5721
3
4
6
6
TEW5721S
6
1
1
1
2
5
1
5
2
6
3
4
TEW5721-5
2
5
1
5721.CHP
6
TEW5721-1
4
TEW5721-2
3
4
TEW5721-3, -4
3
3
TEW5721-6
4
ELECTRICAL SPECIFICATION
TEW5721
-1
-2
-3
-4
-5
-6
99/08/24
Line Impedance
Turns Ratio
Pimary pin number
Primary Ind.
Longitudinal Bal.
Return Loss
Dielectric Strength
Ohms
pri. to sec.
75, 100
& 120
1 : 2 ct
(4 - 6)
75, 100
& 120
1 : 2ct
(4 - 6)
> 1.2
75, 100
& 120
1:1
(4 - 6)
> 1.2
75, 100
100,120
& 120
1: 1.41ct 1 : 2.41ct
(4 - 6)
> 2.8
(4 - 6)
> 1.3
75, 100
& 120
1:1:1
(1 - 6)
> 1.2
100
1 ct : 3ct
(1 - 3)
> 1.8
ISSUE: J
mH
> 1.8
as per T1.408 & I.431
as per T1.408 & G.703
V rms
1500
1500
1500
1500
1500
1500
1500
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3,
Tel : (613) 226-1626 Fax : (613) 226-7124
2-49
FILTRAN [ FILTRAN LTD ]
