TEW5721 Datasheet, PDF (1/1 Pages) Filtran LTD – CEPT/T1 Input/Output Transformer

CEPT/T1
Input/Output Transformer
TEW5721
TEW5721 is designed to be used as an
Input Transformer in the ISDN primary
rate access network with the following
devices:
- Dallas
DS2187
- AT&T T 7290
- PMC/Sierra PM4341 T1X &
PM6341 E1
TEW5721-1 is designed to be used as
an Output Transformer for:
- Brooktree BT8069B
- Level One LXT310,318,360
- Mitel
MT9075
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
TEW5721-6 is designed to be used as input
transformer requiring turns ratios 1 : 3
TEW5721-2 is designed to be used as
an Input Transformer for:
- Brooktree BT8069B
- Level One LXT310, 318, 360
- Dallas
DS2151Q, DS2153Q
- Mitel
MT9075
Features
Low cost.
Through Hole and SMD.
For SMD version:
Add letter 'S' after part number.
E.g. TEW5721S-4.TDM Multiplexers.
MECHANICAL
10.7
654
123
WHITE DOT
ALL DIMENSIONS
ARE IN MM
2.54
DIA O.65
DRILL 1.0 mm
6 PLACES
GRID 2.54 x 2.54
TEW5721
TOP VIEW
13.0
34
9.4
16
8.6
8.7
DIMENSIONS
ARE IN MM.
1.3
0.7
2.54
13.5
1.6
5.08
Recommended
foot print
TEW5721S
3
46
16
1
2
1
6
1
5
5
2
2
5
6
3
1
TEW5721-1
64
TEW5721-2
34
3
TEW5721-3, -4
43
4
TEW5721-5
TEW5721-6
ELECTRICAL SPECIFICATION
TEW5721 -1
-2
-3
-4
-5
-6
Line Impedance
Ohms
Turns Ratio
Pimary pin number
Primary Ind.
Longitudinal Bal.
Return Loss
Dielectric Strength
pri. to sec.
mH
V rms
75, 100
& 120
1 : 2 ct
(4 - 6)
> 1.8
1500
75, 100
& 120
1 : 2ct
75, 100
& 120
1:1
75, 100 100,120
& 120
1: 1.41ct 1 : 2.41ct
(4 - 6) (4 - 6) (4 - 6) (4 - 6)
> 1.2
> 1.2
> 2.8
> 1.3
as per T1.408 & I.431
as per T1.408 & G.703
1500
1500
1500
1500
75, 100
& 120
1:1:1
(1 - 6)
> 1.2
1500
100
1 ct : 3ct
(1 - 3)
> 1.8
1500
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3,
Tel : [phone] Fax : [phone]
2-49