ISDN S-Bus TEW5337 Input/Output Transformer TEW5337 is a surface mount transformer, designed to comply with the requirements of an input/output transformer in the ISDN S-Bus Interface. It has been designed and approved for the following devices: TEW5337 TEW5337 complies with the requirements of CCITT I.430. Siemens PEB2080 PEB2081 PEB2085 AMD 79C30A Mitel MT3930 National TP3420 TEW5337-1 Intel 29C53 MECHANICAL Top view 6 1 Dot at pin 1 7 Line Device 3 19.4 MAX 9 2.54 ( 8 PLACES) 10 5 TEW5337 13 ± 0.1 0.6 13.0 2.76 All dimensions are in mm 2.54 1.27 10.16 9.0 ± 0.1 20.32 RECOMMENDED FOOT PRINT ISSUE: B 94/11/24 5337.chp ELECTRICAL SPECIFICATION TEW5337 TEW5337-1 DCR (Ohms) (6 - 7) + (9 -10) (1 - 5) 3.7 7.8 3.7 7.1 Inductance (mH) (6 - 7) + (9 -10) > 22 > 22 Leakage Ind. (µ H) (6 - 7) + (9 -10) <6 <6 4:1:1 3.6 : 1 : 1 > 54 > 54 Turns Ratio Longitudinal Bal. (1 - 5) : (6 - 7) + (9 -10) (dB) 10 - 300 KHz Input/Output Impedance Conforms to the impedance mask in I.430 Pulse Shape Conforms to the pulse mask in I.430 Dielectric Strength (Vrms) Filtran Limited 1500 1500 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 3-9