T1/CEPT TEW5767 High Voltage Isolation Transformer TEW5767 is specifically designed to be used as a high voltage isolationtransformer in T1 and CEPT applications. The Return Loss exceeds the requirements of CCITT G.703. The Longitudinal balance exceeds the requirements of CCITT I.431. MECHANICAL 6 1 Pri Sec 4 3 White dot at pin 1 ISSUE: B 95/03/02 TEW5043. ELECTRICAL SPECIFICATIONS Impedance Ω Ω Line. Device Turns ratio Inductance mH TEW5767-1 -2 100 or 120 100 or 120 75 120 (4 - 6) : (1 : 3) 1:1 1 : 1.26 (4 - 6) >3 > 1.7 T1/CEPT CEPT T1.408, I.431 I.431 T1.408, G.703 G.703 4000 4000 (4 - 6) (1 - 3) Pulse Mask Longitudinal Bal. Return Loss Dielectric Strength Vrms Filtran Limited (4 - 6) to (1 - 3) 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel: (613) 226-1626 Fax: (613) 226-7124 5-13