CEPT/T1 TEW5301 Output Transformer TEW5301 is designed and approved to be used as a transmit transformer in T1/CEPT applications with the following devices: Complies with ANSI T1.408 and CCITT I.431with regards to Longitudinal Balance. – Dallas DS2186 DS2151Q DS2153Q • Primary rate ISDN network nodes. – PMC-Sierra PM4341 T1X PM6431 E1 • PBX or computer to T1/CEPT Digital Trunks. – AT&T T7290 • TDM Multiplexers. Typical applications are: MECHANICAL 1 All dimensions are in mm. Top view White dot at pin 1 3 6 12.2 Line 2.54 (6 places) 9.6 Device 7 4 8 5 0.6 9.1 Recommended Recommended foot print 1.9 foot print 1.27 5.2 max 2.54 7.62 ISSUE: D 96/08/08 TEW5301.chp 12.7 ELECTRICAL SPECIFICATION TEW5301 - 1 -2 -3 Line Impedance 100 & 120 Ω 75 Ω 75/100/120 Ω (3-6)+(4-5) : (1-8) (3-6)+(4-5) : (1-7) 1 : 1.36 n/a 1:1 n/a 1 : 1.36 1:1 (1-8) > 1.75 > 0.92 > 1.75 T1.408 I.431 T1.408 I.431 T1/CEPT CEPT CEPT 1500 1500 1500 Turns ratio Inductance (mH) Longitud. Bal. Pulse Mask Dielectric Strength (Vrms) Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226 -1626 Fax : (613) 226 -7124 2-31