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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
.