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| CEPT Matching Transformer TEW5043 TEW5043 is specifically designed to match a 120 twisted pair to a 75 coaxial line in the CEPT trunk. The Longitudinal balance exceeds the requirements of CCITT I.431. The Return Loss exceeds the requirements of CCITT G.703 and BS6328. DO NOT USE IN NEW DESIGNS. Use TEW5054 where possible. MECHANICAL Top view White dot at pin 1 19.4 MAX 2.54 ( 8 PLACES) 1 75 unbal. 6 9 8 120 bal. 7 13 0.1 0.6 13.0 2.76 9.0 0.1 All dimensions are in mm. 2.54 1.27 10.16 20.32 RECOMMENDED FOOT PRINT ELECTRICAL SPECIFICATIONS TEW5043. TEW5043 75 120 1 : 1.26 > 5.0 mH CEPT Line Impedance Turns ratio Inductance Pulse Mask Longitudinal Bal. Return Loss Dielectric Strength Pri. Sec. (1 - 6) (7 - 9) unbalanced balanced 95/03/01 (1 - 6) : (7 - 9) (7 - 9) ISSUE: B (CCITT I.431) (CCITT G.703 and BS6328) > 40 dB > 15 dB > 20 dB 1500 Vrms 50 - 1544 KHz 50 - 100 KHz 100- 3000 KHz Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel: (613) 226-1626 Fax: (613) 226-7124 5-5 |
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