CEPT/T1 TEW5912 CEPT/T1 Output Transformer TEW5912 is is designed and approved to be used as a transmit transformer in T1/CEPT applications with the following devices: – – TEW5912 Output Transformer Surface Mount SMD-10 ....................................................... 2-59 Typical applications are: Crystal CS61535A, CS61574A CS61575, CS6158A • Wide temperature range. • Primary rate ISDN network nodes. • PBX or computer to T1/CEPT Digital trunks. • TDM Multiplexers. Level-One LTX304A, LTX305A MECHANICAL Top view 5 4 3 15.0 ± 0.50 Line Device 2.54 (6 places) 2 14.0 max 0.7 12.0 max 8 RECOMMENDED FOOT PRINT 1 2.8 1.3 7.62 < 11.5 2.54 16.0 -2 -3 100 Ω 75 Ω 120 Ω DCR (Ohms) Inductance (mH) (5-8) > 1.5 > 1.2 > 1.8 95/12/14 Line Impedance TEW5912-1 Leakage Ind. (µ H) (5-8) < 1.0 < 1.0 < 1.0 1 : 1.16 1:1 1 : 1.26 ISSUE: A TEW5912.chp ELECTRICAL SPECIFICATION Longitudinal Bal. > 40 > 40 > 40 T1 CEPT CEPT 1500 1500 1500 Turns Ratio (1-2) + (3-4) (5-8) (1-2) + (3-4) : (5-8) (dB) 50 - 1.544KHz Pulse Shape Dielectric Strength (Vrms) Temperature Filtran Limited Operating Storage -40o o 70o o to C -55 to 85 C 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 2-59