CEPT/T1 TEW5721 Input/Output Transformer 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 TEW5721-3 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 TEW5721-1 is designed to be used as an Output Transformer for: - Brooktree BT8069B LXT310,318,360 - Level One MT9075 - Mitel 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. TEW5721-2 is designed to be used as an Input Transformer for: - Brooktree BT8069B LXT310, 318, 360 - Level One DS2151Q, DS2153Q - Dallas MT9075 - Mitel MECHANICAL TOP VIEW 10.7 ALL DIMENSIONS ARE IN MM 10.2 DIMENSIONS ARE IN MM. 13.0 1.6 3 4 1 6 9.4 2.54 1.3 DIA O.65 8.6 13.5 8.7 6 5 4 DRILL 1.0 mm 6 PLACES 1 2 3 Recommended foot print 8.7 GRID 2.54 x 2.54 WHITE DOT TEW5721S TEW5721 3 4 6 6 1 1 6 3 4 1 5 6 3 99/08/24 ELECTRICAL SPECIFICATION Line Impedance Ohms Turns Ratio pri. to sec. Pimary pin number mH 3 4 TEW5721-3, -4 TEW5721-2 ISSUE: J 5721.CHP 4 TEW5721-1 Primary Ind. 2 2 5 1 5.08 2.54 0.7 TEW5721 5 4 3 TEW5721-6 -2 -3 75, 100 & 120 1 : 2 ct 75, 100 & 120 1 : 2ct 75, 100 & 120 1:1 (4 - 6) (4 - 6) (4 - 6) (4 - 6) (4 - 6) (1 - 6) (1 - 3) > 1.8 > 1.2 > 1.2 > 2.8 > 1.3 > 1.2 > 1.8 1500 1500 1500 as per T1.408 & I.431 1500 1500 1500 -4 75, 100 100,120 & 120 1: 1.41ct 1 : 2.41ct as per T1.408 & G.703 Filtran Limited 2 -1 Return Loss V rms 6 TEW5721-5 Longitudinal Bal. Dielectric Strength 1 1500 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 -5 -6 75, 100 & 120 1:1:1 100 1 ct : 3ct 2-49